CN109898048B - A kind of preparation method of the wear-resistant coating of gradient containing nanoparticle - Google Patents

A kind of preparation method of the wear-resistant coating of gradient containing nanoparticle Download PDF

Info

Publication number
CN109898048B
CN109898048B CN201910260011.6A CN201910260011A CN109898048B CN 109898048 B CN109898048 B CN 109898048B CN 201910260011 A CN201910260011 A CN 201910260011A CN 109898048 B CN109898048 B CN 109898048B
Authority
CN
China
Prior art keywords
wear
parts
ball milling
basis material
pretreatment
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201910260011.6A
Other languages
Chinese (zh)
Other versions
CN109898048A (en
Inventor
辛钧意
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jilin Dahe Railway Locomotive Accessories Manufacturing Co ltd
Original Assignee
Yueqing Ruiyi Economic Information Consulting Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yueqing Ruiyi Economic Information Consulting Co Ltd filed Critical Yueqing Ruiyi Economic Information Consulting Co Ltd
Priority to CN201911051891.2A priority Critical patent/CN110643927A/en
Priority to CN201910260011.6A priority patent/CN109898048B/en
Publication of CN109898048A publication Critical patent/CN109898048A/en
Application granted granted Critical
Publication of CN109898048B publication Critical patent/CN109898048B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
    • C23C4/134—Plasma spraying
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/05—Mixtures of metal powder with non-metallic powder
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C21/00—Alloys based on aluminium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
    • C22C29/005—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides comprising a particular metallic binder
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
    • C22C29/12—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on oxides
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C30/00—Alloys containing less than 50% by weight of each constituent
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C24/00—Coating starting from inorganic powder
    • C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
    • C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
    • C23C24/103—Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/02—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material
    • C23C28/021—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material including at least one metal alloy layer
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
    • C23C4/06—Metallic material
    • C23C4/067—Metallic material containing free particles of non-metal elements, e.g. carbon, silicon, boron, phosphorus or arsenic
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
    • C23G1/08—Iron or steel
    • C23G1/081—Iron or steel solutions containing H2SO4
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/14—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions
    • C23G1/19—Iron or steel

Abstract

The invention discloses a kind of wear-resistant coatings of gradient containing nanoparticle and preparation method thereof, belong to materials processing technology field.By nanometer aluminium powder, dopamine solution and sodium fluoride mixing and ball milling, it is subsequently added into glacial acetic acid and adjusts pH, it is subsequently added into iron nitrate solution, ball milling mixing, ammonium hydroxide is then added and adjusts pH, ethyl orthosilicate is added dropwise again, ball milling mixing, potassium permanganate is then added, continue ball milling mixing, underlying material must be modified, by nano aluminium oxide, ice crystal, active carbon, copper, rare earth mixing and ball milling, sieving, transition layered material must be pre-processed, by chromium oxide, cobalt, tungsten, copper oxide mixing and ball milling, sieving, wear-resisting layered material must be pre-processed, basis material is washed, alkali cleaning, washing, it is washed again with sulfuric acid, basis material must be pre-processed, modified underlying material is coated, Transition Materials plasma spraying will be pre-processed, wear-resisting layered material laser melting coating will be pre-processed, up to the wear-resistant coating of gradient containing nanoparticle.The wear-resistant coating of gradient containing nanoparticle provided by the invention has excellent wear-resisting property.

Description

A kind of preparation method of the wear-resistant coating of gradient containing nanoparticle
Technical field
The invention discloses a kind of wear-resistant coatings of gradient containing nanoparticle and preparation method thereof, belong to materials processing technology neck Domain.
Background technique
Functionally gradient coating material (functionalgradient coating) refers to and leads on ready-made matrix The coating material that one kind prepared by coating process has gradient-structure is crossed, for improving the bond strength of coating and matrix, Assigning the new function of material surface has original superiority.Ideal functionally gradient coating should be from matrix to coating surface Realize the change of gradient of complete composition and structure, but there is also serious deficiencies in the preparation of coating gradients material at present.
Laser melting and coating technique is a kind of advanced surface strengthening technology, by different adding material modes by cladding matrix table Face places the coating material selected and is allowed to melt simultaneously with matrix surface thin layer through laser irradiation, and is formed after quickly solidifying dilute It is extremely low and the surface covering of metallurgical bonding is formed with matrix to release rate, being formed by coating has better wear-resisting, corrosion resistance, resistance to The performances such as impact, high temperature resistant, anti-oxidant.With built-up welding, spraying, plating and gas phase sedimentary facies ratio, laser melting coating have dilution it is small, Dense structure, coating and matrix are combined, are suitble to the features such as material of cladding is more, granularity and changes of contents are big, therefore laser Melting and coating technique application prospect is very wide.
Using plasma spray technology, the deposition oxide ceramic coating on metallic matrix, by ceramic high-temperature resistant, wear-resisting, anti-corrosion Etc. characteristics combine with characteristics such as the obdurability of metal material, machinability, conductive and heat-conductives, obtain ideal composite coating system Product are applied in numerous areas.But ceramics and metal material physical-property parameter (such as intensity, Young's modulus, pool Loose ratio, thermal conductivity etc.) it is different, cause material to generate biggish residual thermal stress in preparation and use process, fine fisssure easily occurs Line;In addition, the combination of ceramic coating and basis material is mainly mechanical interlock, coating is in layer structure, and compactness is poor, coating In often containing 3 or so hole, these reasons cause coating abrasion performance to decline.Make transition material with copper, by copper and oxide Ceramic powders are mixed with ceramet gradient coating, and the bond strength of gradient coating, thermal shock resistance improve as the result is shown, hole The decline of gap rate.It is the continuation of this research in text, i.e., is prepared for Cu-Al using plasma spraying method2O3Gradient coating, and use The means such as metallographic microscope, SEM carry out heterogeneous microstructure and abrasion rear surface morphology analysis to coating, are consolidated with from cotter disc type Determine abrasive tester, tests Cu-Al2O3The wear-resisting material abrasion characteristic of gradient ceramic coating, and analyze with coating Middle Al2O3The raising of content, the changing rule of coating abrasion performance, result of study can provide theoretical foundation for the application of gradient coating.
Summary of the invention
It is existing to solve the purpose of the present invention is to provide a kind of wear-resistant coating of gradient containing nanoparticle and preparation method thereof The problems in technology.
To achieve the above object, the invention provides the following technical scheme:
A kind of wear-resistant coating of gradient containing nanoparticle, including following raw material: underlying material, transition layered material, wear-resisting layered material are pre- to locate Manage basis material.
The underlying material can also be modified underlying material；The modified underlying material includes the raw material of following parts by weight: 10 ~20 parts of nanometer aluminium powders, 20~30 parts of dopamine solutions, 1~2 part of sodium fluoride, 5~8 parts of iron nitrate solutions, 3~5 parts of positive silicic acid Ethyl ester and 3~5 parts of potassium permanganate.
The transition layered material is also for pretreatment transition layered material；The pretreatment transition layered material includes following parts by weight Raw material: 40~60 parts of nano aluminium oxides, 3~5 parts of ice crystals, 2~3 parts of active carbons, 2~3 parts of copper, 0.2~0.3 part of rare earth.
The wear-resisting layered material can also be the wear-resisting layered material of pretreatment；The wear-resisting layered material of pretreatment includes following parts by weight Raw material: 40~60 parts of chromium oxide, 5~8 parts of cobalts, 5~8 parts of tungsten, 5~8 parts of copper oxide.
The wear-resistant coating of gradient containing nanoparticle includes following raw material: modified underlying material pre-processes transition layered material, pre- to locate Wear-resisting layered material is managed, basis material is pre-processed.
A kind of preparation method of the wear-resistant coating of gradient containing nanoparticle, it is specific the preparation method comprises the following steps:
(1) modified underlying material is prepared；
(2) preparation pretreatment transition layered material；
(3) preparation pre-processes wear-resisting layered material；
(4) basis material pre-processes；
(5) modified underlying material processing step (4) gains；
(6) material obtained by pretreatment transition layered material processing step (5)；
(7) material obtained by wear-resisting layered material processing step (6) is pre-processed；
(8) it detects.
The specific preparation step of the wear-resistant coating of gradient containing nanoparticle are as follows:
(1) by nanometer aluminium powder, dopamine solution and sodium fluoride mixing and ball milling, be subsequently added into glacial acetic acid and adjust pH, then plus Enter iron nitrate solution, ball milling mixing is then added ammonium hydroxide and adjusts pH, then ethyl orthosilicate is added dropwise, and ball milling mixing is then added high Potassium manganate continues ball milling mixing, obtains modified underlying material, in the process, firstly, nanometer aluminium powder is mixed with dopamine solution, by In having a large amount of active group on dopamine molecule chain, so that the absorption property on nanometer aluminium powder surface is further mentioned It rises, then by the way that glacial acetic acid is added, glacial acetic acid is reacted with dopamine, so that the protonated amino on dopamine molecule chain, due to It is mutually exclusive between like charges, enable nanometer aluminium powder is good to be dispersed in system, then by the way that ferric nitrate is added, and adds Enter ammonium hydroxide and adjust pH, so that the ferric nitrate in system precipitates, and be adsorbed in nanometer aluminium powder surface, then by the way that positive silicic acid second is added dropwise Ester, ethyl orthosilicate are reacted with the water in system, and the nano silica of generation is also attached to nanometer aluminium powder surface；
(2) by nano aluminium oxide, ice crystal, active carbon, copper, rare earth mixing and ball milling, sieving must pre-process transition layered material；
(3) by chromium oxide, cobalt, tungsten, copper oxide mixing and ball milling, sieving must pre-process wear-resisting layered material；
(4) basis material is washed, alkali cleaning, washes, then washed with sulfuric acid, obtains pretreatment basis material, it is in the process, first Alkali cleaning is first passed through, the organic impurities of substrate material surface can be effectively decomposed, so that substrate material surface is clean, then washing is gone Except the part lye of alkali cleaning rear surface, sulfuric acid is then added and washes, using the corrosiveness of sulfuric acid, so that steel piece surface occurs largely Pit or defect, increase the degree of roughness of steel piece surface, the contact area being capable of increasing between basis material and modified underlying material, So that the wear-resisting property of system gets a promotion；
(5) modified underlying material is taken, transition layered material is pre-processed, pre-processes wear-resisting layered material and pretreatment basis material；
(6) modified underlying material is coated on pretreatment basis material, obtains single treatment basis material, pre-processes basis material Sulfuric acid remained on surface enables to the organic matter fractions charing of later period coating layer surface, so that modified underlying material and basis material Between interfacial combined function get a promotion, meanwhile, so that modified underlying material and pretreatment substrate material surface occur it is a large amount of more Hole carbonaceous layer is conducive to later period pretreatment Transition Materials partial penetration into modified underlying material due to the presence of foamed char energy；
(7) pretreatment Transition Materials plasma spray is applied to single treatment basis material, obtains secondary treatment basis material, herein In the process, using molten cryolitic as solvent, aluminium oxide is as solute, using active carbon as anode, is passed through powerful straight After galvanic electricity, generate a large amount of carbon dioxide under the high temperature conditions, around anode, carbon dioxide is spread in system so that wait from Grouping part in sub- spray equipment can mix well, and basis material enables after plasma spraying and pre-processes Transition Materials Single treatment substrate material surface is enough completely covered, and part pretreatment Transition Materials are fully penetrated to single treatment basis material In the foamed char on surface, in addition, high temperature enables to the potassium permanganate in modified underlying material to resolve into manganese oxide and oxygen, Under the impetus of oxygen, so that the manganese oxide generated diffuses to bottom surface；
(8) it is wear-resisting to get gradient containing nanoparticle in secondary treatment basis material that wear-resisting layered material laser melting coating will be pre-processed Coating, in the process, firstly, laser melting coating is capable of providing high temperature, under the high temperature conditions, since pretreatment Transition Materials can be complete All standing is to single treatment substrate material surface, so that bottom is completely in the state of anaerobic, the porous carbon in bottom can So that the iron oxide in transition zone is reduced into fe, as cladding temperature gradually rises, under the high temperature conditions, and in sodium fluoride Under catalytic action with single iron, the nanometer titanium dioxide pasc reaction of carbonaceous and surface inside bottom forms silicon carbide skeleton, from And the wear-resisting property of system is further promoted, meanwhile, the manganese oxide of single treatment substrate material surface and transition The simple substance reactive aluminum obtained in layer by electrolysis generates aluminium oxide and simple substance manganese, so that bottom and transition interlayer form metallurgical junction It closes, so that the wear-resisting property of system is further promoted；Again, in transition zone in part pure aluminum and wearing layer Chromium oxide reaction, generates aluminium oxide and simple substance chromium, so that wearing layer and transition interlayer form metallurgical bonding, so that system Wear-resisting property is further promoted.
The specific preparation process of the wear-resistant coating of gradient containing nanoparticle are as follows:
(1) according to parts by weight, 10~20 parts of nanometer aluminium powders, 20~30 parts of dopamine solutions, 1~2 part of fluorination are successively taken Sodium, 5~8 parts of iron nitrate solutions, 3~5 parts of ethyl orthosilicates and 3~5 parts of potassium permanganate, by nanometer aluminium powder, mass concentration is 2.6mL/min dopamine solution and sodium fluoride are placed in 40~60min of mixing and ball milling in No. 1 ball mill, then into No. 1 ball mill Glacial acetic acid is added and adjusts pH to 4.3~4.6, it is molten that the ferric nitrate that mass fraction is 10~20% is then added into No. 1 ball mill Liquid, 40~60min of ball milling mixing adjust pH to 8.1 then to the ammonium hydroxide that mass fraction is 20~30% is added in No. 1 ball mill ~8.3, then ethyl orthosilicate is added dropwise into No. 1 ball mill with rubber head dropper, Gao Meng is then added in 40~60min of ball milling mixing Sour potassium continues 40~60min of ball milling mixing, obtains modified underlying material；
(2) according to parts by weight, 40~60 parts of nano aluminium oxides are successively taken, 3~5 parts of ice crystals, 2~3 parts of active carbons, 2 ~3 parts of copper, 0.2~0.3 part of rare earth, by nano aluminium oxide, ice crystal, active carbon, copper, rare earth is placed in ball milling in No. 2 ball mills, The sieve of 160 mesh is crossed, transition layered material must be pre-processed；
(3) according to parts by weight, 40~60 parts of chromium oxide are successively taken, 5~8 parts of cobalts, 5~8 parts of tungsten, 5~8 parts of copper oxide, By chromium oxide, cobalt, tungsten, copper oxide is placed in mixing and ball milling in No. 3 ball mills, crosses the sieve of 180 mesh, must pre-process wear-resisting layered material；
(4) basis material is washed with water 5~8 times, is then 20~30% by the basis material mass fraction after washing Sodium hydroxide solution washs 5~8 times, then the basis material after alkali cleaning is washed with deionized water 3~5 times, then be with mass fraction 98% sulfuric acid is washed 5~8 times, and pretreatment basis material is obtained；
(5) modified underlying material is coated on pretreatment basis material, obtains single treatment basis material；
(6) pretreatment Transition Materials plasma spray is applied to single treatment basis material, obtains secondary treatment basis material；
(7) it is wear-resisting to get gradient containing nanoparticle in secondary treatment basis material that wear-resisting layered material laser melting coating will be pre-processed Coating；
(8) products obtained therefrom is subjected to performance detection.
Step (4) described matrix material is Q235 steel.
The coating thickness of step (5) the modified underlying material is 0.4~0.6mm.
The plasma spraying of step (6) the pretreatment Transition Materials is with a thickness of 0.7~0.8mm.
The laser melting coating of step (7) the wear-resisting layered material of pretreatment is with a thickness of 1.0~1.2mm.
The parameter of step (6) described plasma spraying equipment are as follows: DC current is 180~200kA, and temperature is 900~980 ℃。
The parameter of step (7) described laser cladding equipment are as follows: laser power 2000W~2200W, scanning speed 270~ 290mm/min, powder feeding 0.7~0.9r/min of rate, 4~5mm of spot diameter, overlapping rate 40%~50% melt high 1.0~1.2mm, Temperature is 2000~2200 DEG C.
Compared with prior art, the beneficial effects of the present invention are:
The present invention during the preparation process, firstly, nanometer aluminium powder is mixed with dopamine solution, due to having on dopamine molecule chain There is a large amount of active group, so that the absorption property on nanometer aluminium powder surface is further promoted, then by the way that ice vinegar is added Acid, glacial acetic acid are reacted with dopamine, so that the protonated amino on dopamine molecule chain, due to mutually exclusive between like charges, Enable nanometer aluminium powder is good to be dispersed in system, then by the way that ferric nitrate is added, and ammonium hydroxide is added and adjusts pH, it is proper to make Ferric nitrate precipitating in system, and it is adsorbed in nanometer aluminium powder surface, then by the way that ethyl orthosilicate, ethyl orthosilicate and system is added dropwise In water reaction, the nano silica of generation is also attached to nanometer aluminium powder surface；
Secondly, basis material can effectively decompose the organic impurities of substrate material surface, so that basis material by alkali cleaning Clean surface, then the part lye of washing removal alkali cleaning rear surface, is then added sulfuric acid and washes, using the corrosiveness of sulfuric acid, So that a large amount of pit or defect occurs in steel piece surface, increases the degree of roughness of steel piece surface, be capable of increasing basis material and change Contact area between property underlying material, so that the wear-resisting property of system gets a promotion；
Again, during modified underlying material is coated on pretreatment basis material, pretreatment substrate material surface is remaining Sulfuric acid enables to the organic matter fractions charing of later period coating layer surface, so that the interface between modified underlying material and basis material is tied Performance is closed to get a promotion, meanwhile, sulfuric acid carbonizes so that modified underlying material and pretreatment substrate material surface appearance are a large amount of porous Carbonaceous layer is conducive to later period pretreatment Transition Materials partial penetration into modified underlying material due to the presence of foamed char energy；
Again, during pretreatment Transition Materials plasma spray is applied to single treatment basis material, molten cryolitic is utilized As solvent, aluminium oxide is as solute, using active carbon as anode, after being passed through powerful direct current, under the high temperature conditions, sun A large amount of carbon dioxide is generated around pole, carbon dioxide is spread in system, enables grouping part in plasma spray apparatus It enough mixes well, basis material enables pretreatment Transition Materials that single treatment base is completely covered after plasma spraying Body material surface, and in the part pretreatment fully penetrated foamed char to single treatment substrate material surface of Transition Materials, separately Outside, high temperature enables to the potassium permanganate in modified underlying material to resolve into manganese oxide and oxygen, under the impetus of oxygen, makes The manganese oxide that must be generated diffuses to bottom surface；
Finally, laser melting coating can mention pre-processing wear-resisting layered material laser melting coating during secondary treatment basis material For high temperature, under the high temperature conditions, since single treatment substrate material surface can be completely covered in pretreatment Transition Materials, so that bottom Layer is completely in the state of anaerobic, and the porous carbon in bottom enables to the iron oxide in transition zone to be reduced into fe, with Cladding temperature gradually rise, under the high temperature conditions, and the carbonaceous under the catalytic action of sodium fluoride and single iron, inside bottom With the nanometer titanium dioxide pasc reaction on surface, silicon carbide skeleton is formed, so that the wear-resisting property of system is further mentioned It rises, meanwhile, the simple substance reactive aluminum obtained in the manganese oxide and transition zone of single treatment substrate material surface by electrolysis generates oxygen Change aluminium and simple substance manganese, so that bottom and transition interlayer form metallurgical bonding, so that the wear-resisting property of system obtains further Promotion；Again, part pure aluminum is reacted with the chromium oxide in wearing layer in transition zone, generates aluminium oxide and simple substance chromium, so that Wearing layer and transition interlayer form metallurgical bonding, so that the wear-resisting property of system is further promoted.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described, Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all Belong to the scope of protection of the invention.
In order to which clearer explanation method provided by the invention is described in detail by following embodiment, in following implementation The test method of each index of the wear-resistant coating of gradient containing nanoparticle made in example is as follows:
Wear-resisting property: using from cotter disc type fixed abrasive abrasion tester, according under the same conditions, per stroke Abrasion loss is bigger, and the poorer method of wearability evaluates wearability.
Example 1
A kind of preparation method of the wear-resistant coating of gradient containing nanoparticle, specific preparation process are as follows:
(1) according to parts by weight, 20 parts of nanometer aluminium powders, 30 parts of dopamine solutions, 2 parts of sodium fluorides, 8 parts of ferric nitrates are successively taken Solution, 5 parts of ethyl orthosilicates and 5 parts of potassium permanganate, by nanometer aluminium powder, mass concentration is 2.6mL/min dopamine solution and fluorine Change sodium and be placed in mixing and ball milling 60min in No. 1 ball mill, glacial acetic acid is then added into No. 1 ball mill and adjusts pH to 4.6, then The iron nitrate solution that mass fraction is 20% is added into No. 1 ball mill, ball milling mixing 60min adds then in No. 1 ball mill Enter the ammonium hydroxide that mass fraction is 30% and adjust pH to 8.3, then ethyl orthosilicate, ball milling is added dropwise into No. 1 ball mill with rubber head dropper 60min is mixed, potassium permanganate is then added, continues ball milling mixing 60min, obtains modified underlying material；
(2) according to parts by weight, 60 parts of nano aluminium oxides are successively taken, 5 parts of ice crystals, 3 parts of active carbons, 3 parts of copper, 0.3 part Rare earth, by nano aluminium oxide, ice crystal, active carbon, copper, rare earth is placed in ball milling in No. 2 ball mills, crosses the sieve of 160 mesh, obtain pre- place Manage transition layered material；
(3) according to parts by weight, 60 parts of chromium oxide are successively taken, 8 parts of cobalts, 8 parts of tungsten, 8 parts of copper oxide, by chromium oxide, cobalt, Tungsten, copper oxide are placed in mixing and ball milling in No. 3 ball mills, cross the sieve of 180 mesh, must pre-process wear-resisting layered material；
(4) basis material is washed with water 8 times, the hydroxide for being then 30% by the basis material mass fraction after washing Sodium solution washs 8 times, then the basis material after alkali cleaning is washed with deionized water 5 times, then washes 8 with the sulfuric acid that mass fraction is 98% It is secondary, obtain pretreatment basis material；
(5) modified underlying material is coated on pretreatment basis material, obtains single treatment basis material；
(6) pretreatment Transition Materials plasma spray is applied to single treatment basis material, obtains secondary treatment basis material；
(7) it is wear-resisting to get gradient containing nanoparticle in secondary treatment basis material that wear-resisting layered material laser melting coating will be pre-processed Coating；
(8) products obtained therefrom is subjected to performance detection.
Step (4) described matrix material is Q235 steel.
The coating thickness of step (5) the modified underlying material is 0.6mm.
The plasma spraying of step (6) the pretreatment Transition Materials is with a thickness of 0.8mm.
The laser melting coating of step (7) the wear-resisting layered material of pretreatment is with a thickness of 1.2mm.
The parameter of step (6) described plasma spraying equipment are as follows: DC current 200kA, temperature are 980 DEG C.
The parameter of step (7) described laser cladding equipment are as follows: laser power 2200W, scanning speed 290mm/min, powder feeding Rate 0.9r/min, spot diameter 5mm, overlapping rate 50% melt high 1.2mm, and temperature is 2200 DEG C.
Example 2
(1) according to parts by weight, 20 parts of nanometer aluminium powders, 2 parts of sodium fluorides, 8 parts of iron nitrate solutions, 5 parts of positive silicic acid are successively taken Nanometer aluminium powder and sodium fluoride are placed in mixing and ball milling 60min in No. 1 ball mill by ethyl ester and 5 parts of potassium permanganate, then to No. 1 ball Glacial acetic acid is added in grinding machine and adjusts pH to 4.6, the iron nitrate solution that mass fraction is 20%, ball are then added into No. 1 ball mill Mill mixing 60min adjusts pH to 8.3 then to the ammonium hydroxide that mass fraction is 30% is added in No. 1 ball mill, then with rubber head dropper Ethyl orthosilicate is added dropwise into No. 1 ball mill, potassium permanganate is then added in ball milling mixing 60min, continue ball milling mixing 60min, Underlying material must be modified；
(2) according to parts by weight, 60 parts of nano aluminium oxides are successively taken, 5 parts of ice crystals, 3 parts of active carbons, 3 parts of copper, 0.3 part Rare earth, by nano aluminium oxide, ice crystal, active carbon, copper, rare earth is placed in ball milling in No. 2 ball mills, crosses the sieve of 160 mesh, obtain pre- place Manage transition layered material；
(3) according to parts by weight, 60 parts of chromium oxide are successively taken, 8 parts of cobalts, 8 parts of tungsten, 8 parts of copper oxide, by chromium oxide, cobalt, Tungsten, copper oxide are placed in mixing and ball milling in No. 3 ball mills, cross the sieve of 180 mesh, must pre-process wear-resisting layered material；
(4) basis material is washed with water 8 times, the hydroxide for being then 30% by the basis material mass fraction after washing Sodium solution washs 8 times, then the basis material after alkali cleaning is washed with deionized water 5 times, then washes 8 with the sulfuric acid that mass fraction is 98% It is secondary, obtain pretreatment basis material；
(5) modified underlying material is coated on pretreatment basis material, obtains single treatment basis material；
(6) pretreatment Transition Materials plasma spray is applied to single treatment basis material, obtains secondary treatment basis material；
(7) it is wear-resisting to get gradient containing nanoparticle in secondary treatment basis material that wear-resisting layered material laser melting coating will be pre-processed Coating；
(8) products obtained therefrom is subjected to performance detection.
Step (4) described matrix material is Q235 steel.
The coating thickness of step (5) the modified underlying material is 0.6mm.
The plasma spraying of step (6) the pretreatment Transition Materials is with a thickness of 0.8mm.
The laser melting coating of step (7) the wear-resisting layered material of pretreatment is with a thickness of 1.2mm.
The parameter of step (6) described plasma spraying equipment are as follows: DC current 200kA, temperature are 980 DEG C.
The parameter of step (7) described laser cladding equipment are as follows: laser power 2200W, scanning speed 290mm/min, powder feeding Rate 0.9r/min, spot diameter 5mm, overlapping rate 50% melt high 1.2mm, and temperature is 2200 DEG C.
Example 3
A kind of preparation method of the wear-resistant coating of gradient containing nanoparticle, specific preparation process are as follows:
(1) according to parts by weight, 20 parts of nanometer aluminium powders are successively taken, 30 parts of dopamine solutions, 8 parts of iron nitrate solutions, 5 parts just Nanometer aluminium powder and mass concentration are that 2.6mL/min dopamine solution is placed in No. 1 ball mill by silester and 5 parts of potassium permanganate Glacial acetic acid is then added into No. 1 ball mill and adjusts pH to 4.6, is then added into No. 1 ball mill by middle mixing and ball milling 60min The iron nitrate solution that mass fraction is 20%, ball milling mixing 60min are 30% then to mass fraction is added in No. 1 ball mill Ammonium hydroxide adjusts pH to 8.3, then ethyl orthosilicate is added dropwise into No. 1 ball mill with rubber head dropper, and ball milling mixing 60min then adds Enter potassium permanganate, continues ball milling mixing 60min, obtain modified underlying material；
(2) according to parts by weight, 60 parts of nano aluminium oxides are successively taken, 5 parts of ice crystals, 3 parts of active carbons, 3 parts of copper, 0.3 part Rare earth, by nano aluminium oxide, ice crystal, active carbon, copper, rare earth is placed in ball milling in No. 2 ball mills, crosses the sieve of 160 mesh, obtain pre- place Manage transition layered material；
(3) according to parts by weight, 60 parts of chromium oxide are successively taken, 8 parts of cobalts, 8 parts of tungsten, 8 parts of copper oxide, by chromium oxide, cobalt, Tungsten, copper oxide are placed in mixing and ball milling in No. 3 ball mills, cross the sieve of 180 mesh, must pre-process wear-resisting layered material；
(4) basis material is washed with water 8 times, the hydroxide for being then 30% by the basis material mass fraction after washing Sodium solution washs 8 times, then the basis material after alkali cleaning is washed with deionized water 5 times, then washes 8 with the sulfuric acid that mass fraction is 98% It is secondary, obtain pretreatment basis material；
(5) modified underlying material is coated on pretreatment basis material, obtains single treatment basis material；
(6) pretreatment Transition Materials plasma spray is applied to single treatment basis material, obtains secondary treatment basis material；
(7) it is wear-resisting to get gradient containing nanoparticle in secondary treatment basis material that wear-resisting layered material laser melting coating will be pre-processed Coating；
(8) products obtained therefrom is subjected to performance detection.
Step (4) described matrix material is Q235 steel.
The coating thickness of step (5) the modified underlying material is 0.6mm.
The plasma spraying of step (6) the pretreatment Transition Materials is with a thickness of 0.8mm.
The laser melting coating of step (7) the wear-resisting layered material of pretreatment is with a thickness of 1.2mm.
The parameter of step (6) described plasma spraying equipment are as follows: DC current 200kA, temperature are 980 DEG C.
The parameter of step (7) described laser cladding equipment are as follows: laser power 2200W, scanning speed 290mm/min, powder feeding Rate 0.9r/min, spot diameter 5mm, overlapping rate 50% melt high 1.2mm, and temperature is 2200 DEG C.
Example 4
A kind of preparation method of the wear-resistant coating of gradient containing nanoparticle, specific preparation process are as follows:
(1) according to parts by weight, 20 parts of nanometer aluminium powders, 30 parts of dopamine solutions, 2 parts of sodium fluorides, 5 parts of positive silicic acid are successively taken Ethyl ester and 5 parts of potassium permanganate, by nanometer aluminium powder, mass concentration is that 2.6mL/min dopamine solution and sodium fluoride are placed in No. 1 ball milling Glacial acetic acid is then added into No. 1 ball mill and adjusts pH to 4.6, adds then in No. 1 ball mill by mixing and ball milling 60min in machine Enter the ammonium hydroxide that mass fraction is 30% and adjust pH to 8.3, then ethyl orthosilicate, ball milling is added dropwise into No. 1 ball mill with rubber head dropper 60min is mixed, potassium permanganate is then added, continues ball milling mixing 60min, obtains modified underlying material；
(2) according to parts by weight, 60 parts of nano aluminium oxides are successively taken, 5 parts of ice crystals, 3 parts of active carbons, 3 parts of copper, 0.3 part Rare earth, by nano aluminium oxide, ice crystal, active carbon, copper, rare earth is placed in ball milling in No. 2 ball mills, crosses the sieve of 160 mesh, obtain pre- place Manage transition layered material；
(3) according to parts by weight, 60 parts of chromium oxide are successively taken, 8 parts of cobalts, 8 parts of tungsten, 8 parts of copper oxide, by chromium oxide, cobalt, Tungsten, copper oxide are placed in mixing and ball milling in No. 3 ball mills, cross the sieve of 180 mesh, must pre-process wear-resisting layered material；
(4) basis material is washed with water 8 times, the hydroxide for being then 30% by the basis material mass fraction after washing Sodium solution washs 8 times, then the basis material after alkali cleaning is washed with deionized water 5 times, then washes 8 with the sulfuric acid that mass fraction is 98% It is secondary, obtain pretreatment basis material；
(5) modified underlying material is coated on pretreatment basis material, obtains single treatment basis material；
(6) pretreatment Transition Materials plasma spray is applied to single treatment basis material, obtains secondary treatment basis material；
(7) it is wear-resisting to get gradient containing nanoparticle in secondary treatment basis material that wear-resisting layered material laser melting coating will be pre-processed Coating；
(8) products obtained therefrom is subjected to performance detection.
Step (4) described matrix material is Q235 steel.
The coating thickness of step (5) the modified underlying material is 0.6mm.
The plasma spraying of step (6) the pretreatment Transition Materials is with a thickness of 0.8mm.
The laser melting coating of step (7) the wear-resisting layered material of pretreatment is with a thickness of 1.2mm.
The parameter of step (6) described plasma spraying equipment are as follows: DC current 200kA, temperature are 980 DEG C.
The parameter of step (7) described laser cladding equipment are as follows: laser power 2200W, scanning speed 290mm/min, powder feeding Rate 0.9r/min, spot diameter 5mm, overlapping rate 50% melt high 1.2mm, and temperature is 2200 DEG C.
Example 5
A kind of preparation method of the wear-resistant coating of gradient containing nanoparticle, specific preparation process are as follows:
(1) according to parts by weight, 20 parts of nanometer aluminium powders, 30 parts of dopamine solutions, 2 parts of sodium fluorides, 8 parts of ferric nitrates are successively taken Solution, 5 parts of potassium permanganate, by nanometer aluminium powder, mass concentration is that 2.6mL/min dopamine solution and sodium fluoride are placed in No. 1 ball milling Glacial acetic acid is then added into No. 1 ball mill and adjusts pH to 4.6, then adds into No. 1 ball mill by mixing and ball milling 60min in machine Enter the iron nitrate solution that mass fraction is 20%, ball milling mixing 60min is 30% then to mass fraction is added in No. 1 ball mill Ammonium hydroxide adjust pH to 8.3, ball milling mixing 60min, be then added potassium permanganate, continue ball milling mixing 60min, obtain modified bottom Material；
(2) according to parts by weight, 60 parts of nano aluminium oxides are successively taken, 5 parts of ice crystals, 3 parts of active carbons, 3 parts of copper, 0.3 part Rare earth, by nano aluminium oxide, ice crystal, active carbon, copper, rare earth is placed in ball milling in No. 2 ball mills, crosses the sieve of 160 mesh, obtain pre- place Manage transition layered material；
(3) according to parts by weight, 60 parts of chromium oxide are successively taken, 8 parts of cobalts, 8 parts of tungsten, 8 parts of copper oxide, by chromium oxide, cobalt, Tungsten, copper oxide are placed in mixing and ball milling in No. 3 ball mills, cross the sieve of 180 mesh, must pre-process wear-resisting layered material；
(4) basis material is washed with water 8 times, the hydroxide for being then 30% by the basis material mass fraction after washing Sodium solution washs 8 times, then the basis material after alkali cleaning is washed with deionized water 5 times, then washes 8 with the sulfuric acid that mass fraction is 98% It is secondary, obtain pretreatment basis material；
(5) modified underlying material is coated on pretreatment basis material, obtains single treatment basis material；
(6) pretreatment Transition Materials plasma spray is applied to single treatment basis material, obtains secondary treatment basis material；
(7) it is wear-resisting to get gradient containing nanoparticle in secondary treatment basis material that wear-resisting layered material laser melting coating will be pre-processed Coating；
(8) products obtained therefrom is subjected to performance detection.
Step (4) described matrix material is Q235 steel.
The coating thickness of step (5) the modified underlying material is 0.6mm.
The plasma spraying of step (6) the pretreatment Transition Materials is with a thickness of 0.8mm.
The laser melting coating of step (7) the wear-resisting layered material of pretreatment is with a thickness of 1.2mm.
The parameter of step (6) described plasma spraying equipment are as follows: DC current 200kA, temperature are 980 DEG C.
The parameter of step (7) described laser cladding equipment are as follows: laser power 2200W, scanning speed 290mm/min, powder feeding Rate 0.9r/min, spot diameter 5mm, overlapping rate 50% melt high 1.2mm, and temperature is 2200 DEG C.
Example 6
A kind of preparation method of the wear-resistant coating of gradient containing nanoparticle, specific preparation process are as follows:
(1) according to parts by weight, 20 parts of nanometer aluminium powders, 30 parts of dopamine solutions, 2 parts of sodium fluorides, 8 parts of ferric nitrates are successively taken Solution, 5 parts of ethyl orthosilicates, by nanometer aluminium powder, mass concentration is that 2.6mL/min dopamine solution and sodium fluoride are placed in No. 1 ball Glacial acetic acid is then added into No. 1 ball mill and adjusts pH to 4.6, then into No. 1 ball mill by mixing and ball milling 60min in grinding machine The iron nitrate solution that mass fraction is 20% is added, ball milling mixing 60min is then to mass fraction is added in No. 1 ball mill 30% ammonium hydroxide adjusts pH to 8.3, then ethyl orthosilicate is added dropwise into No. 1 ball mill with rubber head dropper, and ball milling mixing 60min is obtained Modified underlying material；
(2) according to parts by weight, 60 parts of nano aluminium oxides are successively taken, 5 parts of ice crystals, 3 parts of active carbons, 3 parts of copper, 0.3 part Rare earth, by nano aluminium oxide, ice crystal, active carbon, copper, rare earth is placed in ball milling in No. 2 ball mills, crosses the sieve of 160 mesh, obtain pre- place Manage transition layered material；
(3) according to parts by weight, 60 parts of chromium oxide are successively taken, 8 parts of cobalts, 8 parts of tungsten, 8 parts of copper oxide, by chromium oxide, cobalt, Tungsten, copper oxide are placed in mixing and ball milling in No. 3 ball mills, cross the sieve of 180 mesh, must pre-process wear-resisting layered material；
(4) basis material is washed with water 8 times, the hydroxide for being then 30% by the basis material mass fraction after washing Sodium solution washs 8 times, then the basis material after alkali cleaning is washed with deionized water 5 times, then washes 8 with the sulfuric acid that mass fraction is 98% It is secondary, obtain pretreatment basis material；
(5) modified underlying material is coated on pretreatment basis material, obtains single treatment basis material；
(6) pretreatment Transition Materials plasma spray is applied to single treatment basis material, obtains secondary treatment basis material；
(7) it is wear-resisting to get gradient containing nanoparticle in secondary treatment basis material that wear-resisting layered material laser melting coating will be pre-processed Coating；
(8) products obtained therefrom is subjected to performance detection.
Step (4) described matrix material is Q235 steel.
The coating thickness of step (5) the modified underlying material is 0.6mm.
The plasma spraying of step (6) the pretreatment Transition Materials is with a thickness of 0.8mm.
The laser melting coating of step (7) the wear-resisting layered material of pretreatment is with a thickness of 1.2mm.
The parameter of step (6) described plasma spraying equipment are as follows: DC current 200kA, temperature are 980 DEG C.
The parameter of step (7) described laser cladding equipment are as follows: laser power 2200W, scanning speed 290mm/min, powder feeding Rate 0.9r/min, spot diameter 5mm, overlapping rate 50% melt high 1.2mm, and temperature is 2200 DEG C.
Example 7
A kind of preparation method of the wear-resistant coating of gradient containing nanoparticle, specific preparation process are as follows:
(1) according to parts by weight, 20 parts of nanometer aluminium powders, 30 parts of dopamine solutions, 2 parts of sodium fluorides, 8 parts of ferric nitrates are successively taken Solution, 5 parts of ethyl orthosilicates and 5 parts of potassium permanganate, by nanometer aluminium powder, mass concentration is 2.6mL/min dopamine solution and fluorine Change sodium and be placed in mixing and ball milling 60min in No. 1 ball mill, glacial acetic acid is then added into No. 1 ball mill and adjusts pH to 4.6, then The iron nitrate solution that mass fraction is 20% is added into No. 1 ball mill, ball milling mixing 60min adds then in No. 1 ball mill Enter the ammonium hydroxide that mass fraction is 30% and adjust pH to 8.3, then ethyl orthosilicate, ball milling is added dropwise into No. 1 ball mill with rubber head dropper 60min is mixed, potassium permanganate is then added, continues ball milling mixing 60min, obtains modified underlying material；
(2) according to parts by weight, 60 parts of nano aluminium oxides, 3 parts of active carbons, 3 parts of copper, 0.3 part of rare earth, by nanometer are successively taken Aluminium oxide, ice crystal, copper, rare earth are placed in ball milling in No. 2 ball mills, cross the sieve of 160 mesh, must pre-process transition layered material；
(3) according to parts by weight, 60 parts of chromium oxide are successively taken, 8 parts of cobalts, 8 parts of tungsten, 8 parts of copper oxide, by chromium oxide, cobalt, Tungsten, copper oxide are placed in mixing and ball milling in No. 3 ball mills, cross the sieve of 180 mesh, must pre-process wear-resisting layered material；
(4) basis material is washed with water 8 times, the hydroxide for being then 30% by the basis material mass fraction after washing Sodium solution washs 8 times, then the basis material after alkali cleaning is washed with deionized water 5 times, then washes 8 with the sulfuric acid that mass fraction is 98% It is secondary, obtain pretreatment basis material；
(5) modified underlying material is coated on pretreatment basis material, obtains single treatment basis material；
(6) pretreatment Transition Materials plasma spray is applied to single treatment basis material, obtains secondary treatment basis material；
(7) it is wear-resisting to get gradient containing nanoparticle in secondary treatment basis material that wear-resisting layered material laser melting coating will be pre-processed Coating；
(8) products obtained therefrom is subjected to performance detection.
Step (4) described matrix material is Q235 steel.
The coating thickness of step (5) the modified underlying material is 0.6mm.
The plasma spraying of step (6) the pretreatment Transition Materials is with a thickness of 0.8mm.
The laser melting coating of step (7) the wear-resisting layered material of pretreatment is with a thickness of 1.2mm.
The parameter of step (6) described plasma spraying equipment are as follows: DC current 200kA, temperature are 980 DEG C.
The parameter of step (7) described laser cladding equipment are as follows: laser power 2200W, scanning speed 290mm/min, powder feeding Rate 0.9r/min, spot diameter 5mm, overlapping rate 50% melt high 1.2mm, and temperature is 2200 DEG C.
Example 8
A kind of preparation method of the wear-resistant coating of gradient containing nanoparticle, specific preparation process are as follows:
(1) according to parts by weight, 20 parts of nanometer aluminium powders, 30 parts of dopamine solutions, 2 parts of sodium fluorides, 8 parts of ferric nitrates are successively taken Solution, 5 parts of ethyl orthosilicates and 5 parts of potassium permanganate, by nanometer aluminium powder, mass concentration is 2.6mL/min dopamine solution and fluorine Change sodium and be placed in mixing and ball milling 60min in No. 1 ball mill, glacial acetic acid is then added into No. 1 ball mill and adjusts pH to 4.6, then The iron nitrate solution that mass fraction is 20% is added into No. 1 ball mill, ball milling mixing 60min adds then in No. 1 ball mill Enter the ammonium hydroxide that mass fraction is 30% and adjust pH to 8.3, then ethyl orthosilicate, ball milling is added dropwise into No. 1 ball mill with rubber head dropper 60min is mixed, potassium permanganate is then added, continues ball milling mixing 60min, obtains modified underlying material；
(2) according to parts by weight, 60 parts of nano aluminium oxides, 5 parts of ice crystals, 3 parts of copper, 0.3 part of rare earth, by nanometer are successively taken Aluminium oxide, ice crystal, copper, rare earth are placed in ball milling in No. 2 ball mills, cross the sieve of 160 mesh, must pre-process transition layered material；
(3) according to parts by weight, 60 parts of chromium oxide are successively taken, 8 parts of cobalts, 8 parts of tungsten, 8 parts of copper oxide, by chromium oxide, cobalt, Tungsten, copper oxide are placed in mixing and ball milling in No. 3 ball mills, cross the sieve of 180 mesh, must pre-process wear-resisting layered material；
(4) basis material is washed with water 8 times, the hydroxide for being then 30% by the basis material mass fraction after washing Sodium solution washs 8 times, then the basis material after alkali cleaning is washed with deionized water 5 times, then washes 8 with the sulfuric acid that mass fraction is 98% It is secondary, obtain pretreatment basis material；
(5) modified underlying material is coated on pretreatment basis material, obtains single treatment basis material；
(6) pretreatment Transition Materials plasma spray is applied to single treatment basis material, obtains secondary treatment basis material；
(7) it is wear-resisting to get gradient containing nanoparticle in secondary treatment basis material that wear-resisting layered material laser melting coating will be pre-processed Coating；
(8) products obtained therefrom is subjected to performance detection.
Step (4) described matrix material is Q235 steel.
The coating thickness of step (5) the modified underlying material is 0.6mm.
The plasma spraying of step (6) the pretreatment Transition Materials is with a thickness of 0.8mm.
The laser melting coating of step (7) the wear-resisting layered material of pretreatment is with a thickness of 1.2mm.
The parameter of step (6) described plasma spraying equipment are as follows: DC current 200kA, temperature are 980 DEG C.
The parameter of step (7) described laser cladding equipment are as follows: laser power 2200W, scanning speed 290mm/min, powder feeding Rate 0.9r/min, spot diameter 5mm, overlapping rate 50% melt high 1.2mm, and temperature is 2200 DEG C.
Example 9
A kind of preparation method of the wear-resistant coating of gradient containing nanoparticle, specific preparation process are as follows:
(1) according to parts by weight, 20 parts of nanometer aluminium powders, 30 parts of dopamine solutions, 2 parts of sodium fluorides, 8 parts of ferric nitrates are successively taken Solution, 5 parts of ethyl orthosilicates and 5 parts of potassium permanganate, by nanometer aluminium powder, mass concentration is 2.6mL/min dopamine solution and fluorine Change sodium and be placed in mixing and ball milling 60min in No. 1 ball mill, glacial acetic acid is then added into No. 1 ball mill and adjusts pH to 4.6, then The iron nitrate solution that mass fraction is 20% is added into No. 1 ball mill, ball milling mixing 60min adds then in No. 1 ball mill Enter the ammonium hydroxide that mass fraction is 30% and adjust pH to 8.3, then ethyl orthosilicate, ball milling is added dropwise into No. 1 ball mill with rubber head dropper 60min is mixed, potassium permanganate is then added, continues ball milling mixing 60min, obtains modified underlying material；
(2) according to parts by weight, 60 parts of nano aluminium oxides are successively taken, 5 parts of ice crystals, 3 parts of active carbons, 3 parts of copper, 0.3 part Rare earth, by nano aluminium oxide, ice crystal, active carbon, copper, rare earth is placed in ball milling in No. 2 ball mills, crosses the sieve of 160 mesh, obtain pre- place Manage transition layered material；
(3) according to parts by weight, 8 parts of cobalts are successively taken, 8 parts of tungsten, 8 parts of copper oxide, by cobalt, tungsten, copper oxide is placed in No. 3 ball millings Mixing and ball milling in machine crosses the sieve of 180 mesh, must pre-process wear-resisting layered material；
(4) basis material is washed with water 8 times, the hydroxide for being then 30% by the basis material mass fraction after washing Sodium solution washs 8 times, then the basis material after alkali cleaning is washed with deionized water 5 times, then washes 8 with the sulfuric acid that mass fraction is 98% It is secondary, obtain pretreatment basis material；
(5) modified underlying material is coated on pretreatment basis material, obtains single treatment basis material；
(6) pretreatment Transition Materials plasma spray is applied to single treatment basis material, obtains secondary treatment basis material；
(7) it is wear-resisting to get gradient containing nanoparticle in secondary treatment basis material that wear-resisting layered material laser melting coating will be pre-processed Coating；
(8) products obtained therefrom is subjected to performance detection.
Step (4) described matrix material is Q235 steel.
The coating thickness of step (5) the modified underlying material is 0.6mm.
The plasma spraying of step (6) the pretreatment Transition Materials is with a thickness of 0.8mm.
The laser melting coating of step (7) the wear-resisting layered material of pretreatment is with a thickness of 1.2mm.
The parameter of step (6) described plasma spraying equipment are as follows: DC current 200kA, temperature are 980 DEG C.
The parameter of step (7) described laser cladding equipment are as follows: laser power 2200W, scanning speed 290mm/min, powder feeding Rate 0.9r/min, spot diameter 5mm, overlapping rate 50% melt high 1.2mm, and temperature is 2200 DEG C.
Example 10
A kind of preparation method of the wear-resistant coating of gradient containing nanoparticle, specific preparation process are as follows:
(1) according to parts by weight, 20 parts of nanometer aluminium powders, 30 parts of dopamine solutions, 2 parts of sodium fluorides, 8 parts of ferric nitrates are successively taken Solution, 5 parts of ethyl orthosilicates and 5 parts of potassium permanganate, by nanometer aluminium powder, mass concentration is 2.6mL/min dopamine solution and fluorine Change sodium and be placed in mixing and ball milling 60min in No. 1 ball mill, glacial acetic acid is then added into No. 1 ball mill and adjusts pH to 4.6, then The iron nitrate solution that mass fraction is 20% is added into No. 1 ball mill, ball milling mixing 60min adds then in No. 1 ball mill Enter the ammonium hydroxide that mass fraction is 30% and adjust pH to 8.3, then ethyl orthosilicate, ball milling is added dropwise into No. 1 ball mill with rubber head dropper 60min is mixed, potassium permanganate is then added, continues ball milling mixing 60min, obtains modified underlying material；
(2) according to parts by weight, 60 parts of nano aluminium oxides are successively taken, 5 parts of ice crystals, 3 parts of active carbons, 3 parts of copper, 0.3 part Rare earth, by nano aluminium oxide, ice crystal, active carbon, copper, rare earth is placed in ball milling in No. 2 ball mills, crosses the sieve of 160 mesh, obtain pre- place Manage transition layered material；
(3) according to parts by weight, 60 parts of chromium oxide are successively taken, 8 parts of cobalts, 8 parts of tungsten, 8 parts of copper oxide, by chromium oxide, cobalt, Tungsten, copper oxide are placed in mixing and ball milling in No. 3 ball mills, cross the sieve of 180 mesh, must pre-process wear-resisting layered material；
(4) basis material is washed with water 8 times, the hydroxide for being then 30% by the basis material mass fraction after washing Sodium solution washs 8 times, then the basis material after alkali cleaning is washed with deionized water 5 times, obtains pretreatment basis material；
(5) modified underlying material is coated on pretreatment basis material, obtains single treatment basis material；
(6) pretreatment Transition Materials plasma spray is applied to single treatment basis material, obtains secondary treatment basis material；
(7) it is wear-resisting to get gradient containing nanoparticle in secondary treatment basis material that wear-resisting layered material laser melting coating will be pre-processed Coating；
(8) products obtained therefrom is subjected to performance detection.
Step (4) described matrix material is Q235 steel.
The coating thickness of step (5) the modified underlying material is 0.6mm.
The plasma spraying of step (6) the pretreatment Transition Materials is with a thickness of 0.8mm.
The laser melting coating of step (7) the wear-resisting layered material of pretreatment is with a thickness of 1.2mm.
The parameter of step (6) described plasma spraying equipment are as follows: DC current 200kA, temperature are 980 DEG C.
The parameter of step (7) described laser cladding equipment are as follows: laser power 2200W, scanning speed 290mm/min, powder feeding Rate 0.9r/min, spot diameter 5mm, overlapping rate 50% melt high 1.2mm, and temperature is 2200 DEG C.
Example 11
A kind of preparation method of the wear-resistant coating of gradient containing nanoparticle, specific preparation process are as follows:
(1) according to parts by weight, 20 parts of nanometer aluminium powders, 30 parts of dopamine solutions, 2 parts of sodium fluorides, 8 parts of ferric nitrates are successively taken Solution, 5 parts of ethyl orthosilicates and 5 parts of potassium permanganate, by nanometer aluminium powder, mass concentration is 2.6mL/min dopamine solution and fluorine Change sodium and be placed in mixing and ball milling 60min in No. 1 ball mill, glacial acetic acid is then added into No. 1 ball mill and adjusts pH to 4.6, then The iron nitrate solution that mass fraction is 20% is added into No. 1 ball mill, ball milling mixing 60min adds then in No. 1 ball mill Enter the ammonium hydroxide that mass fraction is 30% and adjust pH to 8.3, then ethyl orthosilicate, ball milling is added dropwise into No. 1 ball mill with rubber head dropper 60min is mixed, potassium permanganate is then added, continues ball milling mixing 60min, obtains modified underlying material；
(2) according to parts by weight, 60 parts of nano aluminium oxides are successively taken, 5 parts of ice crystals, 3 parts of active carbons, 3 parts of copper, 0.3 part Rare earth, by nano aluminium oxide, ice crystal, active carbon, copper, rare earth is placed in ball milling in No. 2 ball mills, crosses the sieve of 160 mesh, obtain pre- place Manage transition layered material；
(3) according to parts by weight, 60 parts of chromium oxide are successively taken, 8 parts of cobalts, 8 parts of tungsten, 8 parts of copper oxide, by chromium oxide, cobalt, Tungsten, copper oxide are placed in mixing and ball milling in No. 3 ball mills, cross the sieve of 180 mesh, must pre-process wear-resisting layered material；
(4) basis material is washed with water 8 times, the hydroxide for being then 30% by the basis material mass fraction after washing Sodium solution washs 8 times, then the basis material after alkali cleaning is washed with deionized water 5 times, then washes 8 with the sulfuric acid that mass fraction is 98% It is secondary, obtain pretreatment basis material；
(5) modified underlying material is coated on pretreatment basis material, obtains single treatment basis material；
(6) Transition Materials laser melting coating will be pre-processed in single treatment basis material, obtain secondary treatment basis material；
(7) it is wear-resisting to get gradient containing nanoparticle in secondary treatment basis material that wear-resisting layered material laser melting coating will be pre-processed Coating；
(8) products obtained therefrom is subjected to performance detection.
Step (4) described matrix material is Q235 steel.
The coating thickness of step (5) the modified underlying material is 0.6mm.
The laser melting coating of step (6) the pretreatment Transition Materials is with a thickness of 0.8mm.
The laser melting coating of step (7) the wear-resisting layered material of pretreatment is with a thickness of 1.2mm.
The parameter of step (7) described laser cladding equipment are as follows: laser power 2200W, scanning speed 290mm/min, powder feeding Rate 0.9r/min, spot diameter 5mm, overlapping rate 50% melt high 1.2mm, and temperature is 2200 DEG C.
Example 12
A kind of preparation method of the wear-resistant coating of gradient containing nanoparticle, specific preparation process are as follows:
(1) according to parts by weight, 20 parts of nanometer aluminium powders, 30 parts of dopamine solutions, 2 parts of sodium fluorides, 8 parts of ferric nitrates are successively taken Solution, 5 parts of ethyl orthosilicates and 5 parts of potassium permanganate, by nanometer aluminium powder, mass concentration is 2.6mL/min dopamine solution and fluorine Change sodium and be placed in mixing and ball milling 60min in No. 1 ball mill, glacial acetic acid is then added into No. 1 ball mill and adjusts pH to 4.6, then The iron nitrate solution that mass fraction is 20% is added into No. 1 ball mill, ball milling mixing 60min adds then in No. 1 ball mill Enter the ammonium hydroxide that mass fraction is 30% and adjust pH to 8.3, then ethyl orthosilicate, ball milling is added dropwise into No. 1 ball mill with rubber head dropper 60min is mixed, potassium permanganate is then added, continues ball milling mixing 60min, obtains modified underlying material；
(2) according to parts by weight, 60 parts of nano aluminium oxides are successively taken, 5 parts of ice crystals, 3 parts of active carbons, 3 parts of copper, 0.3 part Rare earth, by nano aluminium oxide, ice crystal, active carbon, copper, rare earth is placed in ball milling in No. 2 ball mills, crosses the sieve of 160 mesh, obtain pre- place Manage transition layered material；
(3) according to parts by weight, 60 parts of chromium oxide are successively taken, 8 parts of cobalts, 8 parts of tungsten, 8 parts of copper oxide, by chromium oxide, cobalt, Tungsten, copper oxide are placed in mixing and ball milling in No. 3 ball mills, cross the sieve of 180 mesh, must pre-process wear-resisting layered material；
(4) basis material is washed with water 8 times, the hydroxide for being then 30% by the basis material mass fraction after washing Sodium solution washs 8 times, then the basis material after alkali cleaning is washed with deionized water 5 times, then washes 8 with the sulfuric acid that mass fraction is 98% It is secondary, obtain pretreatment basis material；
(5) modified underlying material is coated on pretreatment basis material, obtains single treatment basis material；
(6) pretreatment Transition Materials plasma spray is applied to single treatment basis material, obtains secondary treatment basis material；
(7) it is resistance to get gradient containing nanoparticle in secondary treatment basis material that wear-resisting layered material plasma spraying will be pre-processed Grind coating；
(8) products obtained therefrom is subjected to performance detection.
Step (4) described matrix material is Q235 steel.
The coating thickness of step (5) the modified underlying material is 0.6mm.
The plasma spraying of step (6) the pretreatment Transition Materials is with a thickness of 0.8mm.
The plasma spraying of step (7) the wear-resisting layered material of pretreatment is with a thickness of 1.2mm.
The parameter of step (6) described plasma spraying equipment are as follows: DC current 200kA, temperature are 980 DEG C.
Comparative example
A kind of preparation method of the wear-resistant coating of gradient containing nanoparticle, specific preparation process are as follows:
(1) according to parts by weight, 60 parts of nano aluminium oxides are successively taken, 3 parts of copper, 0.3 part of rare earth, by nano aluminium oxide, copper, Rare earth is placed in ball milling in No. 2 ball mills, crosses the sieve of 160 mesh, must pre-process transition layered material；
(2) according to parts by weight, 8 parts of cobalts are successively taken, 8 parts of tungsten, 8 parts of copper oxide, by cobalt, tungsten, copper oxide is placed in No. 3 ball millings Mixing and ball milling in machine crosses the sieve of 180 mesh, must pre-process wear-resisting layered material；
(3) basis material is washed with water 8 times, the hydroxide for being then 30% by the basis material mass fraction after washing Sodium solution washs 8 times, then the basis material after alkali cleaning is washed with deionized water 5 times, obtains pretreatment basis material；
(4) nanometer aluminium powder laser melting coating is obtained into single treatment basis material in pretreatment basis material；
(5) Transition Materials laser melting coating will be pre-processed in single treatment basis material, obtain secondary treatment basis material；
(6) wear-resisting layered material will be pre-processed to melt laser to be overlying on secondary treatment basis material wear-resisting to get gradient containing nanoparticle Coating；
(7) products obtained therefrom is subjected to performance detection.
Step (3) described matrix material is Q235 steel.
Step (4) the nanometer aluminium powder laser melting coating is with a thickness of 0.6mm.
Step (5) the pretreatment Transition Materials laser melting coating is with a thickness of 0.8mm.
The laser melting coating of step (6) the wear-resisting layered material of pretreatment is with a thickness of 1.2mm.
The parameter of the laser cladding equipment are as follows: laser power 2200W, scanning speed 290mm/min, powder feeding rate 0.9r/ Min, spot diameter 5mm, overlapping rate 50% melt high 1.2mm, and temperature is 2200 DEG C.
Performance test table:
Table 1:
Detection content Example 1 Example 2 Example 3 Example 4 Example 5 Example 6 Example 7 Example 8 Example 9 Example 10 Example 11 Example 12 Comparative example
Abrasion loss/mg 24.3 31.2 39.4 45.6 49.6 56.7 57.4 61.4 64.5 69.2 70.1 74.3 92.3
As can be seen from Table 1: can be seen that by example and comparative example, pre-processing wear-resisting layered material laser melting coating in secondary During handling basis material, laser melting coating is capable of providing high temperature, under the high temperature conditions, since pretreatment Transition Materials can be complete Single treatment substrate material surface is covered, so that bottom is completely in the state of anaerobic, the porous carbon in bottom can make Iron oxide in transition zone is reduced into fe, as cladding temperature gradually rises, under the high temperature conditions, and in sodium fluoride and Under the catalytic action of single iron, the nanometer titanium dioxide pasc reaction of carbonaceous and surface inside bottom forms silicon carbide skeleton, thus So that the wear-resisting property of system is further promoted, meanwhile, the manganese oxide and transition zone of single treatment substrate material surface The middle simple substance reactive aluminum obtained by electrolysis generates aluminium oxide and simple substance manganese, so that bottom and transition interlayer form metallurgical bonding, So that the wear-resisting property of system is further promoted；Again, the oxygen in transition zone in part pure aluminum and wearing layer Change chromium reaction, generate aluminium oxide and simple substance chromium, so that wearing layer and transition interlayer form metallurgical bonding, so that system is resistance to Mill performance is further promoted.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims Variation is included within the present invention.

Claims (8)

1. a kind of wear-resistant coating of gradient containing nanoparticle, it is characterised in that: including following raw material: underlying material, transition layered material are wear-resisting Layered material pre-processes basis material；The underlying material is modified underlying material；The modified underlying material is by nanometer aluminium powder, dopamine Solution, sodium fluoride, iron nitrate solution, ethyl orthosilicate and potassium permanganate are modified obtained.
2. a kind of wear-resistant coating of gradient containing nanoparticle according to claim 1, it is characterised in that: the transition layered material is pre- Handle transition layered material；The pretreatment transition layered material is by nano aluminium oxide, ice crystal, active carbon, copper, after rare earth mixed processing It is made.
3. a kind of wear-resistant coating of gradient containing nanoparticle according to claim 2, it is characterised in that: the wear-resisting layered material is pre- Handle wear-resisting layered material；The wear-resisting layered material of the pretreatment is made after copper oxide mixed processing by chromium oxide, cobalt, tungsten.
4. a kind of wear-resistant coating of gradient containing nanoparticle according to claim 3, it is characterised in that: described containing nanoparticle ladder Degree wear-resistant coating is to pre-process transition layered material by modified underlying material, pre-processes wear-resisting layered material, the preparation of pretreatment basis material and At.
5. a kind of preparation method of the wear-resistant coating of gradient containing nanoparticle, it is characterised in that: the gradient containing nanoparticle is wear-resisting The specific preparation step of coating are as follows:
(1) it by nanometer aluminium powder, dopamine solution and sodium fluoride mixing and ball milling, is subsequently added into glacial acetic acid and adjusts pH, be subsequently added into nitre Sour ferrous solution, ball milling mixing are then added ammonium hydroxide and adjust pH, then ethyl orthosilicate is added dropwise, and permanganic acid is then added in ball milling mixing Potassium continues ball milling mixing, obtains modified underlying material；
(2) by nano aluminium oxide, ice crystal, active carbon, copper, rare earth mixing and ball milling, sieving must pre-process transition layered material；
(3) by chromium oxide, cobalt, tungsten, copper oxide mixing and ball milling, sieving must pre-process wear-resisting layered material；
(4) basis material is washed, alkali cleaning, washes, then washed with sulfuric acid, obtains pretreatment basis material；
(5) modified underlying material is coated on pretreatment basis material, obtains single treatment basis material；
(6) pretreatment Transition Materials plasma spray is applied to single treatment basis material, obtains secondary treatment basis material；
(7) wear-resisting layered material laser melting coating will be pre-processed in secondary treatment basis material to get the wear-resistant coating of gradient containing nanoparticle；
(8) products obtained therefrom is subjected to performance detection.
6. a kind of preparation method of wear-resistant coating of gradient containing nanoparticle according to claim 5, it is characterised in that: described The specific preparation step of the wear-resistant coating of gradient containing nanoparticle are as follows:
(1) by nanometer aluminium powder, mass concentration is that 2.6mL/min dopamine solution and sodium fluoride are placed in No. 1 ball mill and mix ball 40~60min is ground, glacial acetic acid is then added into No. 1 ball mill and adjusts pH to 4.3~4.6, is then added into No. 1 ball mill The iron nitrate solution that mass fraction is 10~20%, 40~60min of ball milling mixing divide then to quality is added in No. 1 ball mill Number adjusts pH to 8.1~8.3 for 20~30% ammonium hydroxide, then ethyl orthosilicate, ball is added dropwise into No. 1 ball mill with rubber head dropper Mill 40~60min of mixing, is then added potassium permanganate, continues 40~60min of ball milling mixing, obtain modified underlying material；
(2) by nano aluminium oxide, ice crystal, active carbon, copper, rare earth is placed in ball milling in No. 2 ball mills, crosses the sieve of 160 mesh, obtain pre- Handle transition layered material；
(3) by chromium oxide, cobalt, tungsten, copper oxide is placed in mixing and ball milling in No. 3 ball mills, crosses the sieve of 180 mesh, must pre-process wear-resisting Layered material；
(4) basis material is washed with water 5~8 times, the hydrogen for being then 20~30% by the basis material mass fraction after washing Sodium hydroxide solution is washed 5~8 times, then the basis material after alkali cleaning is washed with deionized water 3~5 times, then be with mass fraction 98% sulfuric acid is washed 5~8 times, and pretreatment basis material is obtained；
(5) modified underlying material is coated on pretreatment basis material, obtains single treatment basis material；
(6) pretreatment Transition Materials plasma spray is applied to single treatment basis material, obtains secondary treatment basis material；
(7) wear-resisting layered material laser melting coating will be pre-processed in secondary treatment basis material to get the wear-resistant coating of gradient containing nanoparticle；
(8) products obtained therefrom is subjected to performance detection.
7. a kind of preparation method of wear-resistant coating of gradient containing nanoparticle according to claim 6, it is characterised in that: step (4) described matrix material is Q235 steel；The coating thickness of step (5) the modified underlying material is 0.4~0.6mm；Step (6) institute The plasma spraying of pretreatment Transition Materials is stated with a thickness of 0.7~0.8mm；The laser of step (7) the wear-resisting layered material of pretreatment is molten It covers with a thickness of 1.0~1.2mm.
8. a kind of preparation method of wear-resistant coating of gradient containing nanoparticle according to claim 7, it is characterised in that: step (6) parameter of the plasma spraying equipment are as follows: DC current is 180~200kA, and temperature is 900~980 DEG C；Step (7) institute State the parameter of laser cladding equipment are as follows: laser power 2000W~2200W, 270~290mm/min of scanning speed, powder feeding rate 0.7 ~0.9r/min, 4~5mm of spot diameter, overlapping rate 40%~50% melt high 1.0~1.2mm, and temperature is 2000~2200 DEG C.
CN201910260011.6A 2019-04-02 2019-04-02 A kind of preparation method of the wear-resistant coating of gradient containing nanoparticle Active CN109898048B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201911051891.2A CN110643927A (en) 2019-04-02 2019-04-02 Preparation method of gradient wear-resistant coating containing nano particles
CN201910260011.6A CN109898048B (en) 2019-04-02 2019-04-02 A kind of preparation method of the wear-resistant coating of gradient containing nanoparticle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910260011.6A CN109898048B (en) 2019-04-02 2019-04-02 A kind of preparation method of the wear-resistant coating of gradient containing nanoparticle

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN201911051891.2A Division CN110643927A (en) 2019-04-02 2019-04-02 Preparation method of gradient wear-resistant coating containing nano particles

Publications (2)

Publication Number Publication Date
CN109898048A CN109898048A (en) 2019-06-18
CN109898048B true CN109898048B (en) 2019-11-26

Family

ID=66954281

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201911051891.2A Pending CN110643927A (en) 2019-04-02 2019-04-02 Preparation method of gradient wear-resistant coating containing nano particles
CN201910260011.6A Active CN109898048B (en) 2019-04-02 2019-04-02 A kind of preparation method of the wear-resistant coating of gradient containing nanoparticle

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CN201911051891.2A Pending CN110643927A (en) 2019-04-02 2019-04-02 Preparation method of gradient wear-resistant coating containing nano particles

Country Status (1)

Country Link
CN (2) CN110643927A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114107873B (en) * 2021-12-07 2023-07-07 上海工程技术大学 Gradient metal ceramic composite coating and preparation method thereof

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1017163B (en) * 1989-05-08 1992-06-24 上海钢铁工艺技术研究所 Method for surface reinforced treatment of metal part
CN102650028B (en) * 2011-02-25 2014-04-30 宝山钢铁股份有限公司 Anti-agglomeration high-temperature resistant coating of furnace bottom roller
CN103895282B (en) * 2012-12-26 2016-06-15 北京有色金属研究总院 A kind of high-temperature vacuum heat-collecting tube complex gradient hydrogen resistance coating and preparation method thereof
CN103522653B (en) * 2013-10-09 2016-02-03 河北工业大学 For the Multi-layer composite ceramic coating and preparation method thereof of galvanizing by dipping
US10006258B2 (en) * 2014-07-02 2018-06-26 Superior Shot Peening, Inc. Multi-layer coating and related methods of application
CN104438339A (en) * 2014-10-16 2015-03-25 绍兴斯普瑞微纳科技有限公司 Roller repair layer and roller repair method
CN105060941A (en) * 2015-08-31 2015-11-18 温州泓呈祥科技有限公司 Preparation method of plasma sprayed ceramic composite coating for ceramic pot
CN105543839B (en) * 2015-12-29 2018-02-02 长春理工大学 A kind of gradient wear-resistant coating and the method for preparing gradient wear-resistant coating
CN107382221A (en) * 2017-09-09 2017-11-24 常州亚环环保科技有限公司 A kind of pervious concrete
CN109467493B (en) * 2018-11-16 2020-10-27 西北工业大学 Preparation method of metal organic framework material modified nano metal particles

Also Published As

Publication number Publication date
CN110643927A (en) 2020-01-03
CN109898048A (en) 2019-06-18

Similar Documents

Publication Publication Date Title
CN103088337B (en) Method for laser-induction hybrid cladding of copper composite coating dispersedly strengthened by carbon nanotubes (CNTs)
CN106245026B (en) A method of metal coating is prepared on Sintered NdFeB magnet surface
CN101838758B (en) Cobalt-free nickel-based alloy
CN112342591B (en) Electrolyte solution for magnesium alloy surface micro-arc oxidation and preparation method of black coating
CN107201515B (en) A kind of nanometer of B4Modified anti-friction wear-resistant laser cladding layer of C and preparation method thereof
CN104120424B (en) Iron based laser cladding powder and cladding layer preparation method
CN109898048B (en) A kind of preparation method of the wear-resistant coating of gradient containing nanoparticle
CN102021632A (en) Method for preparing protective film on copper alloy surface
CN112981169A (en) Copper-based composite powder and preparation method thereof, and anti-corrosion wear-resistant composite coating and preparation method thereof
CN105506620A (en) Synchronous laser cladding method of copper-base-surface composite nickel-base alloy
CN105671544B (en) The method for improving 42CrMo steel anti-wear performances in laser melting coating using cladding powder
CN113493913A (en) Method for strengthening high-entropy alloy cladding layer by ceramic particles and application
CN100363139C (en) B4C+Al bead welding remelting method for magnesium alloy surface
CN107245729B (en) Manganese electrodeposition carbon fiber-based graded composite anode material and preparation method thereof
CN205528977U (en) Corrosion resistant ground net cermet coating material's preparation facilities
CN108265289B (en) A kind of method of Argon arc cladding fabricated in situ various reinforced phase composite coating
CN101348929A (en) Method for modifying metallic material local surface
CN115971475A (en) Diamond-containing super-wear-resistant nickel-based composite material and preparation method thereof
CN110616451A (en) Method for enhancing strength of welding interface of hard alloy and metal
CN104694997A (en) Method for obtaining nano Cu-Sn-graphite composite coating and Cu-Sn-graphite electroplating solution
CN114808041A (en) Preparation and activation regeneration method of Pb-based pseudomorphic stable anode for manganese electrodeposition
CN110877169B (en) Electrodeposition nickel-tungsten-rare earth surfacing electrode and preparation process thereof
CN102154641B (en) Magnesium alloy surface Mg17Al12 coating and cladding process thereof
CN111088485A (en) Magnesium-based composite material based on gradient cladding and preparation method thereof
CN111118491A (en) Method for improving corrosion performance of FeCoCr coating by adding Al element

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20191106

Address after: 325600 Sunshine Building, No. 459 Shuangyan Road, Yueqing City, Zhejiang Province, 13-502

Applicant after: Yueqing Ruiyi Economic Information Consulting Co.,Ltd.

Address before: 215000 Design Building 1401, 111 Bada Street, Suzhou Industrial Park, Jiangsu Province

Applicant before: Xin Junyi

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20230104

Address after: No. 60, Jifeng East Road, Jilin Hi tech Industrial Development Zone, Jilin City, Jilin Province, 132000

Patentee after: Jilin Dahe railway locomotive accessories manufacturing Co.,Ltd.

Address before: 325600 Sunshine Building, 459 Shuangyan Road, Yueqing City, Zhejiang Province, 13-502

Patentee before: Yueqing Ruiyi Economic Information Consulting Co.,Ltd.