CN102424944A - Method for remelting ternary boride metal ceramic gradient coating by using laser - Google Patents
Method for remelting ternary boride metal ceramic gradient coating by using laser Download PDFInfo
- Publication number
- CN102424944A CN102424944A CN2011104059960A CN201110405996A CN102424944A CN 102424944 A CN102424944 A CN 102424944A CN 2011104059960 A CN2011104059960 A CN 2011104059960A CN 201110405996 A CN201110405996 A CN 201110405996A CN 102424944 A CN102424944 A CN 102424944A
- Authority
- CN
- China
- Prior art keywords
- ternary boride
- laser remolten
- laser
- coating
- gradient cladding
- 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.)
- Pending
Links
Abstract
The invention provides a method for remelting a ternary boride metal ceramic gradient coating by using laser. In the method, 310S stainless steel is used as a substrate material, and Stellite 6 alloy powder and MoB/CoCr powder are used as spray material. The method comprises: preparing a satellite 6 alloy intermediate transitional layer and a MoB/CoCr metal ceramic coating by using a low-pressure plasma spraying technique; and remelting the prepared coating by using a laser remelting technique. The method has the advantages that: after the ternary boride metal ceramic gradient coating is remelted by laser, the internal structure of the coating is compact and free from drawbacks such as pores and cracks; the hardness of the coating is increased obviously; and the wear resistance of the coating is improved.
Description
Technical field
The present invention relates to a kind of working method of metal ceramic gradient coating, relate in particular to the method for a kind of laser remolten ternary boride cement gradient cladding behind the metallic substrate surface laser remolten low-voltage plasma spraying.
Background technology
Wearing and tearing are one of three kinds of major causes (wearing and tearing, corrosion and fatigue) of mechanical component inefficacy, and the energy that wearing and tearing caused of various mechanical component and materials consumption are very surprising.Wearing and tearing are ubiquitous phenomenon in the every field of daily life and national economy, as metallurgical mine, building materials industry, power industry, mechanical industry, agricultural machine, national defense industry and Aeronautics and Astronautics or the like, wearing and tearing is arranged all everywhere.
Cermet material is one type of very important matrix material; It had not only kept but also characteristics such as the HS of pottery, high firmness, wear-resistant, high temperature resistant, anti-oxidant and chemicalstability; Preferred metal toughness and plasticity-are arranged again; Purposes is extremely extensive, almost relates to the various piece of national economy and the every field of modern technologies, and the raising of industrial expansion and productivity is played important pushing effect.Wherein, ternary boride cement has hardness height, high, the characteristics such as density is low, fracture toughness property is high, wear resistance height of bending strength, is up-and-coming a kind of material in the high-abrasive material.Simultaneously, ternary boride cement has the thermal expansivity close with steel, and the sinter bonded thermal stresses between the steel as matrix material is little, is applicable to as clad material.
The low-voltage plasma spraying technology is widely used in metal ceramic gradient coating prepn research field.Compare with coat preparing technologies such as built-up welding, physical vapor deposition (PVD), chemical vapor deposition (CVD)s, the coating formation speed of low-voltage plasma spraying technology preparation is fast, spray material is unrestricted, especially can form the coating of materials with high melting point.But have certain defective in the low-voltage plasma spraying technology preparation coating, promptly there is certain porosity in coating, and wear-resisting, corrosion-resistant and oxidation-resistance can not get ensureing; In the preparation process of coating, can form certain macrocrack or tiny crack in the metal-ceramic coating.
Summary of the invention
The object of the invention is to the deficiency and the defective that exist in the above-mentioned background technology; A kind of method of laser remolten ternary boride cement gradient cladding is provided; The hot spraying metal ceramic coating is carried out surface-treated; Thereby improve density, hardness, wear resistance and the erosion resistance etc. of hot spray coating, obtain uniform tissue and non-equilibrium phase structure.
The present invention for realizing the technical scheme that above-mentioned purpose is taked is, a kind of method of laser remolten ternary boride cement gradient cladding, and this method is carried out according to the following steps:
A. the stainless steel substrate surface is cleaned and sandblast pretreatment;
B. prepare intermediate layer with the low-voltage plasma spraying method, transition region thickness is 50 ~ 60 μ m;
C. prepare metal-ceramic coating with the low-voltage plasma spraying method, coat-thickness is 100 ~ 150 μ m;
D. adopt the laser remolten technology that the coating of spraying preparation is carried out remelting.
Characteristic of the present invention also is:
Wherein stainless steel substrate is selected the 310S stainless steel for use.
The middle transition layer material is Stellite 6 powdered alloys, and it is the Co surplus by massfraction mainly, Cr≤29.0%, and W≤4.5%, Ni≤3.0%, Fe≤3.0%, Si≤1.4%, Mo≤1.0% is formed.
Metal ceramic coating material is a ternary boride MoB/CoCr powder, and it is the Mo surplus by massfraction mainly, Co≤22.5%, and Cr≤19.7%, B≤9.5%, W≤1.6% is formed.
The processing parameter of low-voltage plasma spraying intermediate layer is walked rifle 8mm at interval for walking rifle speed 600mm/s, power 52kW, and voltage 74V, electric current 700A, argon flow amount 59l/min, hydrogen flowing quantity 6 l/min, pressure 60Torr sprays apart from 150mm powder sending quantity 12rpm.
The processing parameter of low-voltage plasma spraying cermet coating is walked rifle 8mm at interval for walking rifle speed 600mm/s, power 51kW, and voltage 73V, electric current 698A, argon flow amount 59l/min, hydrogen flowing quantity 6 l/min, pressure 60Torr sprays apart from 200mm powder sending quantity 12rpm.
The processing parameter of laser remolten is laser power 1.5 ~ 1.6kW, spot diameter φ 4mm, overlapping rate 30%, sweep velocity 1500mm/min.
Whole laser remolten treating processes adopts 99.999% argon shield.
MoB/CoCr metal-ceramic coating average microhardness behind the laser remolten is 1117.4MPa.
Compared with prior art, the invention has the advantages that, behind the laser remolten ternary boride cement gradient cladding, defectives such as coating interior solid, imporosity and crackle, coating hardness obviously increases, and has improved the abrasion property ability.
Embodiment
A kind of method of laser remolten ternary boride cement gradient cladding, this method is carried out according to the following steps:
1) 310S stainless steel substrate surface is cleaned and sandblast pretreatment, spray material is selected Stellite 6 powdered alloys and MoB/CoCr powder for use.
2) adopt the low-voltage plasma spraying technology at 310S stainless steel substrate surface spraying preparation Stellite 6 alloy intermediate layers and MoB/CoCr metal-ceramic coating.
3) processing parameter of low-voltage plasma spraying Stellite 6 alloy intermediate layers is walked rifle 8mm at interval, power 52kW, voltage 74V for walking rifle speed 600mm/s; Electric current 700A, argon flow amount 59l/min, hydrogen flowing quantity 6 l/min; Pressure 60Torr sprays apart from 150mm powder sending quantity 12rpm.
4) processing parameter of low-voltage plasma spraying MoB/CoCr cermet coating is walked rifle 8mm at interval, power 51kW, voltage 73V for walking rifle speed 600mm/s; Electric current 698A, argon flow amount 59l/min, hydrogen flowing quantity 6 l/min; Pressure 60Torr sprays apart from 200mm powder sending quantity 12rpm.
5) through the laser remolten technology ternary boride gradient cladding that low-voltage plasma spraying prepares is carried out the second-heating remelting; The processing parameter of its laser remolten is laser power 1.5 ~ 1.6kW; Spot diameter φ 4mm, overlapping rate 30%, sweep velocity 1500mm/min.Whole reflow process adopts 99.999% argon shield.
6) adopt the HV-1000 microhardness tester to remelting after the hardness of MoB/CoCr coating test, test result is that MoB/CoCr metal-ceramic coating average microhardness is 1117.4MPa.
Claims (9)
1. the method for a laser remolten ternary boride cement gradient cladding is characterized in that, this method is carried out according to the following steps:
A. the stainless steel substrate surface is cleaned and sandblast pretreatment;
B. prepare intermediate layer with the low-voltage plasma spraying method, transition region thickness is 50 ~ 60 μ m;
C. prepare metal-ceramic coating with the low-voltage plasma spraying method, coat-thickness is 100 ~ 150 μ m;
D. adopt the laser remolten technology that the coating of spraying preparation is carried out remelting.
2. the method for a kind of laser remolten ternary boride cement gradient cladding according to claim 1 is characterized in that: stainless steel substrate is selected the 310S stainless steel for use.
3. the method for a kind of laser remolten ternary boride cement gradient cladding according to claim 1 is characterized in that: the middle transition layer material is Stellite 6 powdered alloys, and it is the Co surplus by massfraction mainly; Cr≤29.0%; W≤4.5%, Ni≤3.0%, Fe≤3.0%; Si≤1.4%, Mo≤1.0% is formed.
4. the method for a kind of laser remolten ternary boride cement gradient cladding according to claim 1; It is characterized in that: metal ceramic coating material is a ternary boride MoB/CoCr powder; It is the Mo surplus by massfraction mainly, Co≤22.5%, Cr≤19.7%; B≤9.5%, W≤1.6% is formed.
5. the method for a kind of laser remolten ternary boride cement gradient cladding according to claim 1 is characterized in that: the processing parameter of low-voltage plasma spraying intermediate layer is walked rifle 8mm at interval for walking rifle speed 600mm/s; Power 52kW, voltage 74V, electric current 700A; Argon flow amount 59l/min, hydrogen flowing quantity 6 l/min, pressure 60Torr; Spray is apart from 150mm, powder sending quantity 12rpm.
6. the method for a kind of laser remolten ternary boride cement gradient cladding according to claim 1 is characterized in that: the processing parameter of low-voltage plasma spraying cermet coating is walked rifle 8mm at interval for walking rifle speed 600mm/s; Power 51kW, voltage 73V, electric current 698A; Argon flow amount 59l/min, hydrogen flowing quantity 6 l/min, pressure 60Torr; Spray is apart from 200mm, powder sending quantity 12rpm.
7. the method for a kind of laser remolten ternary boride cement gradient cladding according to claim 1 is characterized in that: the processing parameter of laser remolten is laser power 1.5 ~ 1.6kW, spot diameter φ 4mm, sweep velocity 1500mm/min.
8. the method for a kind of laser remolten ternary boride cement gradient cladding according to claim 1 is characterized in that: whole laser remolten treating processes adopts 99.999% argon shield.
9. the method for a kind of laser remolten ternary boride cement gradient cladding according to claim 1 is characterized in that: the MoB/CoCr metal-ceramic coating average microhardness behind the laser remolten is 1117.4MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104059960A CN102424944A (en) | 2011-12-08 | 2011-12-08 | Method for remelting ternary boride metal ceramic gradient coating by using laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104059960A CN102424944A (en) | 2011-12-08 | 2011-12-08 | Method for remelting ternary boride metal ceramic gradient coating by using laser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102424944A true CN102424944A (en) | 2012-04-25 |
Family
ID=45958971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104059960A Pending CN102424944A (en) | 2011-12-08 | 2011-12-08 | Method for remelting ternary boride metal ceramic gradient coating by using laser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102424944A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104624825A (en) * | 2014-12-17 | 2015-05-20 | 南京航空航天大学 | Submerged-arc welding straight welded pipe diameter expansion outer fan-shaped block for deep sea and surface protection method thereof |
| CN105177570A (en) * | 2015-10-19 | 2015-12-23 | 无锡清杨机械制造有限公司 | Surface coating process method |
| CN105296909A (en) * | 2015-10-28 | 2016-02-03 | 九江学院 | Galvanizing zinc corrosion resistant boride and method for preparing metal ceramic gradient coatings |
| CN106544618A (en) * | 2016-11-04 | 2017-03-29 | 中国兵器科学研究院宁波分院 | Stainless steel surfaces carry out the preparation method of ice-covering-proof coating |
| CN107849677A (en) * | 2015-07-23 | 2018-03-27 | 东华隆株式会社 | Surface is modified the manufacture method of part |
| CN110818421A (en) * | 2019-12-13 | 2020-02-21 | 哈尔滨理工大学 | Preparation method of compact composite coating based on reactive plasma spraying and laser remelting |
| CN111118443A (en) * | 2019-12-17 | 2020-05-08 | 武汉铭高新材料有限公司 | Method for preparing metal ceramic coating on austenitic stainless steel surface |
| CN112876223A (en) * | 2021-03-11 | 2021-06-01 | 成都拓维高科光电科技有限公司 | Preparation method of corrosion-resistant gradient stainless steel surface coating and precise electronic component |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1202534A (en) * | 1998-04-17 | 1998-12-23 | 清华大学 | Method of preparing ceramic coating by laser smelting coating after metal surface plasma spray |
| CN101186999A (en) * | 2007-12-07 | 2008-05-28 | 华北电力大学 | Method for preparing ceramic-metal composite material cladding layer |
| CN101717910A (en) * | 2009-12-22 | 2010-06-02 | 广州有色金属研究院 | Method for preparing copper-base tungsten coating through compounded process of laser and thermal spraying |
| CN102191449A (en) * | 2010-03-16 | 2011-09-21 | 广东工业大学 | Anti-melting aluminum-silicon alloy corrosion gradient protective coating for solar thermal power generation, and preparation thereof |
-
2011
- 2011-12-08 CN CN2011104059960A patent/CN102424944A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1202534A (en) * | 1998-04-17 | 1998-12-23 | 清华大学 | Method of preparing ceramic coating by laser smelting coating after metal surface plasma spray |
| CN101186999A (en) * | 2007-12-07 | 2008-05-28 | 华北电力大学 | Method for preparing ceramic-metal composite material cladding layer |
| CN101717910A (en) * | 2009-12-22 | 2010-06-02 | 广州有色金属研究院 | Method for preparing copper-base tungsten coating through compounded process of laser and thermal spraying |
| CN102191449A (en) * | 2010-03-16 | 2011-09-21 | 广东工业大学 | Anti-melting aluminum-silicon alloy corrosion gradient protective coating for solar thermal power generation, and preparation thereof |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104624825A (en) * | 2014-12-17 | 2015-05-20 | 南京航空航天大学 | Submerged-arc welding straight welded pipe diameter expansion outer fan-shaped block for deep sea and surface protection method thereof |
| CN107849677A (en) * | 2015-07-23 | 2018-03-27 | 东华隆株式会社 | Surface is modified the manufacture method of part |
| CN107849677B (en) * | 2015-07-23 | 2020-04-17 | 东华隆株式会社 | Method for producing surface-modified member |
| US10900111B2 (en) | 2015-07-23 | 2021-01-26 | Tocalo Co., Ltd. | Method for producing surface-modified component |
| CN105177570A (en) * | 2015-10-19 | 2015-12-23 | 无锡清杨机械制造有限公司 | Surface coating process method |
| CN105296909A (en) * | 2015-10-28 | 2016-02-03 | 九江学院 | Galvanizing zinc corrosion resistant boride and method for preparing metal ceramic gradient coatings |
| CN106544618A (en) * | 2016-11-04 | 2017-03-29 | 中国兵器科学研究院宁波分院 | Stainless steel surfaces carry out the preparation method of ice-covering-proof coating |
| CN106544618B (en) * | 2016-11-04 | 2019-02-05 | 中国兵器科学研究院宁波分院 | The preparation method of stainless steel surface progress ice-covering-proof coating |
| CN110818421A (en) * | 2019-12-13 | 2020-02-21 | 哈尔滨理工大学 | Preparation method of compact composite coating based on reactive plasma spraying and laser remelting |
| CN111118443A (en) * | 2019-12-17 | 2020-05-08 | 武汉铭高新材料有限公司 | Method for preparing metal ceramic coating on austenitic stainless steel surface |
| CN112876223A (en) * | 2021-03-11 | 2021-06-01 | 成都拓维高科光电科技有限公司 | Preparation method of corrosion-resistant gradient stainless steel surface coating and precise electronic component |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102424944A (en) | Method for remelting ternary boride metal ceramic gradient coating by using laser | |
| Berger | Application of hardmetals as thermal spray coatings | |
| CN109321861B (en) | Corrosion-resistant and wear-resistant coating with lamellar and columnar composite structure and preparation method thereof | |
| Guo et al. | Effect of WC–Co content on the microstructure and properties of NiCrBSi composite coatings fabricated by supersonic plasma spraying | |
| Qiao et al. | Wet abrasive wear behavior of WC-based cermet coatings prepared by HVOF spraying | |
| Ludwig et al. | WC10Co4Cr coatings deposited by HVOF on martensitic stainless steel for use in hydraulic turbines: Resistance to corrosion and slurry erosion | |
| Jam et al. | Evaluation of microstructure and electrochemical behavior of dual-layer NiCrAlY/mullite plasma sprayed coating on high silicon cast iron alloy | |
| CN102392241A (en) | Method for preparing Fe-based WC-Ni gradient coating by using plasma cladding method | |
| Majji et al. | A review on the oxidation and wear behavior of the thermally sprayed high-entropy alloys | |
| CN101613852B (en) | Composite structure coating and spraying method thereof | |
| CN108866470A (en) | A kind of preparation method of air plasma spraying alloy-ceramic laminar coating | |
| CN103938207B (en) | In the method for austenitic stainless steel surface laser cladding sintering metal powder | |
| CN104195362A (en) | Preparation method of high-boron and wear-resistant alloy | |
| CN104060147B (en) | Corrosion-resistant finishes and its preparation method | |
| CN109811294A (en) | A method of enhancing turbine blade surface with supersonic flame spraying | |
| CN104711506A (en) | Spraying method of high-thickness high-performance coating | |
| Sharma et al. | Microstructure, adhesion and erosion properties of Fe-Cr-Ti-Mo-C-Si coating with varying titanium | |
| Heimann et al. | Recently patented work on thermally sprayed coatings for protection against wear and corrosion of engineered structures | |
| Maharajan et al. | Analysis of surface properties of tungsten carbide (WC) coating over austenitic stainless steel (SS316) using plasma spray process | |
| Lu et al. | Erosion wear behavior of NiCr+ Cr3C2–NiCr coating under multi–impact angle and novel coating structure design | |
| Akhil et al. | A comprehensive review on ceramic coating on steel and centrifugal thermite process: applications and future trends | |
| CN105296909A (en) | Galvanizing zinc corrosion resistant boride and method for preparing metal ceramic gradient coatings | |
| Li | Thermal spraying of light alloys | |
| CN104120376B (en) | Corrosion-resistant roller and manufacture method thereof | |
| Xie et al. | Influence of laser treatment on the corrosion properties of plasma-sprayed Ni-coated WC coatings |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120425 |