CN108251873A - A kind of surface modifying method of titanium alloy surface electroplated layer electron beam remelting again - Google Patents
A kind of surface modifying method of titanium alloy surface electroplated layer electron beam remelting again Download PDFInfo
- Publication number
- CN108251873A CN108251873A CN201810059813.6A CN201810059813A CN108251873A CN 108251873 A CN108251873 A CN 108251873A CN 201810059813 A CN201810059813 A CN 201810059813A CN 108251873 A CN108251873 A CN 108251873A
- Authority
- CN
- China
- Prior art keywords
- titanium alloy
- electron beam
- plating
- alloy sheets
- hardness
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/48—After-treatment of electroplated surfaces
- C25D5/50—After-treatment of electroplated surfaces by heat-treatment
- C25D5/505—After-treatment of electroplated surfaces by heat-treatment of electroplated tin coatings, e.g. by melting
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D15/00—Electrolytic or electrophoretic production of coatings containing embedded materials, e.g. particles, whiskers, wires
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/34—Pretreatment of metallic surfaces to be electroplated
- C25D5/38—Pretreatment of metallic surfaces to be electroplated of refractory metals or nickel
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electroplating Methods And Accessories (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Abstract
The surface modifying method of a kind of titanium alloy surface electroplated layer electron beam remelting again, using electroplating technology first in TC4 titanium alloy surface preplating metal or alloy composite deposites, then the technology by coating electron beam remelting.Method of modifying of the present invention can solve the problems, such as that single technology exists to a certain extent, and composite modification technology coating hardness is improved significantly.Electron beam remelting complex technique after first electronickelling/alumina composite coating, obtained surface reforming layer hardness is up to 720HV, the 2 times or more of titanium alloy substrate hardness is can reach, significantly improves the case hardness and wearability of titanium alloy, is easy to promote and apply in related industrial fields.
Description
Technical field
The present invention relates to the modified and reinforced technical fields in surface, and in particular to a kind of first with plating more skills of electron beam remelting again
The method of modifying that art combination process strengthens TC4 titanium alloy surfaces.
Background technology
Titanium or titanium alloy is due to having the advantages that density is low, corrosion resistance is good, specific strength is high and good bio-compatibility, often
It is used in the fields such as aerospace, chemical industry, biomaterial.However its hardness is relatively low（300~400HV）, friction coefficient it is larger
(0.5~0.7), wears no resistance, and easy premature failure influences its service life, cost is caused to increase, and seriously limits titanium conjunction
The application range of gold.Surface modification treatment is carried out to it for this, enhances the antiwear property on its surface, titanium alloy can be played most
Big advantage.
At present, the process for modifying surface being used above in titanium alloy includes vapor deposition, thermal spraying, plating, chemical plating, swashs
Optical surface modification, electron beam surface modification etc..The exclusive use of these technologies is commonly present one or more problems, is such as vapor-deposited
It is careful and expensive that operation needs, and coating is generally relatively thin.Hot-spraying coating contains different degrees of hole, thermal stress concentrate and
The problems such as moulding reduction, working condition is poor.Simple plating or pure chemistry coating technology, coating due to matrix mechanical bond, knot
It is low to close intensity, easily peels off, it is impossible to meet technology requirement in special circumstances.Laser Surface Modification Technology transfer efficiency is relatively low, material
Absorptivity is not high, and laser reinforcing process is unstable, also usually cracked stomata the problems such as.Electron beam surface modification is typically to allow
High energy beam is micro- molten by work piece surface, while makes to be layered on the alloy powder fusing of piece surface, but be susceptible to metal flying dust,
The problems such as powder using efficiency of addition is low, welding booth's vacuum level requirements are stringent.Focus on although these technologies play in respective field
It acts on, but more or less there is certain limitations.In order to further improve the surface enhanced technique of titanium alloy, need
By effective combined use of two or more technologies, it on the one hand can promote the raising of surface coating quality, on the other hand also can
Solve the problems, such as that single technology exists to a certain extent.
Invention content
The problems such as present invention wear-resisting property caused by for titanium or titanium alloy case hardness is low, friction coefficient is high is poor, provides
A kind of first plating prepares pre-plating layer complex technique of electron beam remelting and preparation method thereof again, and it is high and multiple to be desirably to obtain case hardness
Close the compact modified layer of layer.
The present invention is achieved by the following technical solutions.
The surface modifying method of a kind of titanium alloy surface electroplated layer of the present invention electron beam remelting again, by following step
Suddenly.
（1）The TC4 titanium alloy sheets of surfacing are chosen, the side's of being fabricated to shape sample is first cut, is beaten surface with sand paper
Mill, polishing.
（2）Electroplating processes are carried out after TC4 titanium alloy sheets are preprocessed, titanium alloy pretreating process flow is：Chemistry removes
Oil → washing → pickling → washing → activation → washing.Pre-treatment before plating can obtain the clean catalytic transition table for being suitable for coating
Face, specific formula condition is as follows, electrochemical deoiling（30 ~ 40 g/L of sodium hydroxide, sodium carbonate 25 ~ 35 g/L, 25 ~ 35g/ of sodium phosphate
L, 3 ~ 7 g/L of sodium metasilicate, 2 ~ 3 g/L of sodium fluoride, 70 ~ 80 DEG C of temperature, 20 ~ 30 min of time）, pickling（15 ~ 25 g/ of hydrofluoric acid
L, 40 ~ 50g/L of nitric acid, room temperature, 3 ~ 15 s of time）, activation（Hydrochloric acid 350 ~ 400 g/L, 800 ~ 900g/L of sulfuric acid, room temperature, when
Between 20 ~ 30 min）.
（3）TC4 titanium alloy sheets are electroplated, and electro-plating method includes plating metal and composite electroplated coating technology.
（4）After the plating of TC4 titanium alloy sheets, the TC4 titanium alloy sheets containing pre-plating layer are washed with water totally, are then placed in dry
Dry in dry stove, dry under the conditions of 80 ~ 90 DEG C, workpiece, which is put into hermetically drying container, after drying preserves.
（5）TC4 titanium alloy sheets containing pre-plating layer after drying are placed in electron beam welding room, extract vacuum state, it is right
Its surface carries out surface remelting processing.
The TC4 titanium alloy sheet ingredients that the present invention uses are as shown in table 1.
The chemical composition (wt.%) of 1 TC4 titanium alloy sheets of table
| Ti | Al | V | Fe | C | N | H | O |
| Bal. | 6.000 | 3.900 | 0.160 | 0.010 | 0.017 | 0.008 | 0.090 |
The present invention has the beneficial effect that：
1. in the surface remelting process that electron beam is quickly heated and cooled down, degree of supercooling and crystallization rate improve, crystal grain refinement, column
Increase with the quantity of cellular crystal, metallurgical interface combines, and so as to play the role of reinforcing, improves case hardness.
2. coating can be used as transition zone, the Surface-modified Layers on Ti Alloy after electron beam scanning can be made by smaller drawing
Stress, so as to reduce the tendency of surface reforming layer cracking.
3. in composite electroplated plating, Second Phase Particle Dispersed precipitate effectively refines matrix metal in the base, matrix is improved
The hardness of metal makes composite deposite have higher wearability.
4. when layer surface is electroplated in electron beam remelting TC4 titanium alloy sheets, the metal layer or alloying component and TC4 of surface preplating
Reaction in-situ occurs for the ingredient of titanium alloy, forms intermetallic compound.Due to reaction in-situ generation intermetallic compound fusing point compared with
Height, it is big with matrix metal binding force, there is the high epistasis of high rigidity, improved TC4 titanium alloy wearabilities.
Description of the drawings
Schematic diagram is electroplated for TC4 titanium alloy sheets in Fig. 1.Wherein, 1 is metallic plate, and 2 be electroplate liquid, and 3 be TC4 titanium alloy sheets, 4
It is power supply for fixing bracket, 5.
Fig. 2 is TC4 titanium alloy sheet electroplated layer electron beam remelting schematic diagrames.Wherein, 6 be electroplated layer, and 7 be electron beam system.
Fig. 3 is different embodiments of the invention microhardness curve.
Specific embodiment
The present invention will be described further by following embodiment.
Modified layer performance test methods involved by the embodiment of the present invention.
Micro-hardness testing：Hardness is to weigh the leading indicator of material comprehensive performance, commonly uses the microhardness table of modified layer
The modified quality in surface is levied, since the thickness of TC4 titanium alloy sheet modified layers is smaller, commonly uses Vickers hardness characterization modified layer
Hardness, the microhardness distribution feature at analysis modified layer each position.
Embodiment 1.
Using simple electronickelling coat of metal Technique on T C4 titanium alloy plate surface modifyings, specific process step is as follows.
（1）The TC4 titanium alloy sheets of surfacing 5mm thickness are chosen, first cut the side's of being fabricated to shape sample, with sand paper by surface
It polished, polished.
（2）It is pre-processed before electronickelling, titanium alloy pretreating process flow is：Electrochemical deoiling → washing → pickling → washing →
Activation → washing.Pre-treatment before plating can obtain the clean catalytic transition surface for being suitable for coating, and specific formula is as follows, and chemistry removes
Oil（35 g/L of sodium hydroxide, 30 g/L of sodium carbonate, 30 g/L of sodium phosphate, 5 g/L of sodium metasilicate, 2 g/L of sodium fluoride, temperature 75
DEG C, 30 min of time）, pickling（20 g/L of hydrofluoric acid, 45 g/L of nitric acid, room temperature, 5 s of time）, activation（400 g/L of hydrochloric acid, sulphur
900 g/L of acid, room temperature, 30 min of time）.
（3）TC4 titanium alloy sheets connect the cathode of power supply during electronickelling, and nickel plate connects the anode of power supply.Titanium alloy electronickelling formula：
Nickel sulfate 280g/L, nickel chloride 50g/L, boric acid 35g/L, lauryl sodium sulfate 1g/L.
（4）After TC4 titanium alloy sheet electronickellings, the TC4 titanium alloy sheets containing pre-plating layer are washed with water totally, are then placed in
Dry in drying oven, dry at 80 DEG C, workpiece, which is put into hermetically drying container, after drying preserves.
Using the microhardness of HV-1000 types microhardness testers test modified layer, load 100g, the test force retention time is
30s takes along modified layer and measures microhardness value apart from surface to base material, and the average value of same 5 points of depth is obtained as measured value
To the firmness change trend curve of the modified layer shown in Fig. 3 from outward appearance to inner essence.
According to hardness curve as can be seen that the electroplated layer hardness that the present embodiment obtains is up to 502HV, TC4 is titanium alloy-based
Body hardness 345HV or so, hardness improves 45.5%.
Embodiment 2.
Using simple electronickelling/alumina composite coating technology to TC4 titanium alloy plate surface modifyings, specific process step is such as
Under.
（1）The TC4 titanium alloy sheets of surfacing 5mm thickness are chosen, first cut the side's of being fabricated to shape sample, with sand paper by surface
It polished, polished.
（2）Electronickelling/alumina composite Pre-treatment before plating, titanium alloy pretreating process flow are：Electrochemical deoiling → washing
→ pickling → washing → activation → washing.Pre-treatment before plating can obtain the clean catalytic transition surface for being suitable for coating, specifically match
As follows, the electrochemical deoiling in side（35 g/L of sodium hydroxide, 30 g/L of sodium carbonate, 30 g/L of sodium phosphate, 5 g/L of sodium metasilicate, sodium fluoride 2
G/L, 75 DEG C of temperature, 30 min of time）, pickling（20 g/L of hydrofluoric acid, 45 g/L of nitric acid, room temperature, 5 s of time）, activation（Salt
Acid 400 g/L, 900 g/L of sulfuric acid, room temperature, 30 min of time）.
（3）TC4 titanium alloy sheets connect the cathode of power supply during electronickelling/alumina composite plating, and nickel plate connects the anode of power supply.Titanium closes
Gold plating bath formula：Nickel sulfate 280g/L, nickel chloride 50g/L, boric acid 35g/L, lauryl sodium sulfate 1g/L.First by powder
Grain Al2O3It is placed in the polyglycol solution of 20g/L, using ultrasonic wave dispersing and disintegrating, is added in plating solution after refinement, pH value is
4.8, plating temperature is 90 DEG C, mechanical agitation plating solution during plating.
（4）After TC4 titanium alloy sheets electronickelling/alumina composite plating, the TC4 titanium alloy sheets containing pre-plating layer are washed with water
Totally, dry, the drying at 80 DEG C is then placed in drying oven, and workpiece, which is put into hermetically drying container, after drying preserves.
Using the microhardness of HV-1000 types microhardness testers test modified layer, load 100g, the test force retention time is
30s takes along modified layer and measures microhardness value apart from surface to base material, and the average value of same 5 points of depth is obtained as measured value
To the firmness change trend curve of the modified layer shown in Fig. 3 from outward appearance to inner essence.
The composite electroplated coating hardness that the present embodiment obtains is up to 550HV, TC4 titanium alloy substrate hardness 345HV or so,
Hardness improves 59.4%.
Embodiment 3.
Using electron beam remelting complex technique after the first electronickelling coat of metal to TC4 titanium alloy plate surface modifyings, specific work
Skill step is as follows.
（1）The TC4 titanium alloy sheets of surfacing 5mm thickness are chosen, first cut the side's of being fabricated to shape sample, with sand paper by surface
It polished, polished.
（2）It is pre-processed before electronickelling, titanium alloy pretreating process flow is：Electrochemical deoiling → washing → pickling → washing →
Activation → washing.Pre-treatment before plating can obtain the clean catalytic transition surface for being suitable for coating, and specific formula is as follows, and chemistry removes
Oil（35 g/L of sodium hydroxide, 30 g/L of sodium carbonate, 30 g/L of sodium phosphate, 5 g/L of sodium metasilicate, 2 g/L of sodium fluoride, temperature 75
DEG C, 30 min of time）, pickling（20 g/L of hydrofluoric acid, 45 g/L of nitric acid, room temperature, time 5s）, activation（400 g/L of hydrochloric acid, sulphur
900 g/L of acid, room temperature, 30 min of time）.
（3）TC4 titanium alloy sheets connect the cathode of power supply during electronickelling, and nickel plate connects the anode of power supply.Titanium alloy electronickelling formula：
Nickel sulfate 280g/L, nickel chloride 50g/L, boric acid 35g/L, lauryl sodium sulfate 1g/L.
（4）After TC4 plate electronickellings, the TC4 plates containing pre-plating layer are washed with water totally, is then placed in drying oven and does
Dry, dry at 80 DEG C, workpiece, which is put into hermetically drying container, after drying preserves.
（5）The TC4 titanium alloy sheets for containing plating nickel coating after drying are placed in electron beam welding room, extract vacuum shape
State carries out its surface surface remelting processing experiment, in order to which nickel coating can play transitional function, and prevents nickel coating from scanning
It is pierced in the process, it is necessary to control electron beam technology parameter.Electron beam equipment model THDW-7, relevant parameter are：It focuses on
Electric current 480mA, bias 2000V, heater current 21A, high pressure 60KV, welding line are 8mA, sweep trace of electron beam X-axis and Y-axis
Step-length is 8.
Using the microhardness of HV-1000 types microhardness testers test modified layer, load 100g, the test force retention time is
30s takes along modified layer and measures microhardness value apart from surface to base material, and the average value of same 5 points of depth is obtained as measured value
To the firmness change trend curve of the modified layer shown in Fig. 3 from outward appearance to inner essence.
According to hardness curve as can be seen that the modified layer hardness that the present embodiment obtains is up to 615HV, TC4 is titanium alloy-based
Body hardness 345HV or so, hardness improves 78.3%.It is found that electron beam remelting complex technique obtains after TC4 titanium alloys are first electroplated
Coating hardness significantly improve, compared to independent electroplating technology, hardness improvement effect is more excellent.
Embodiment 4.
Using electron beam remelting complex technique after first electronickelling/alumina composite coating to TC4 titanium alloy plate surface modifyings,
Specific process step is as follows.
（1）The TC4 titanium alloy sheets of surfacing 5mm thickness are chosen, first cut the side's of being fabricated to shape sample, with sand paper by surface
It polished, polished.
（2）Electronickelling/alumina composite Pre-treatment before plating, titanium alloy pretreating process flow are：Electrochemical deoiling → washing
→ pickling → washing → activation → washing.Pre-treatment before plating can obtain the clean catalytic transition surface for being suitable for coating, specifically match
As follows, the electrochemical deoiling in side（35 g/L of sodium hydroxide, 30 g/L of sodium carbonate, 30 g/L of sodium phosphate, 5 g/L of sodium metasilicate, sodium fluoride 2
G/L, 75 DEG C of temperature, 30 min of time）, pickling（20 g/L of hydrofluoric acid, 45 g/L of nitric acid, room temperature, 5 s of time）, activation（Salt
Acid 400 g/L, 900 g/L of sulfuric acid, room temperature, 30 min of time）.
（3）TC4 titanium alloy sheets connect the cathode of power supply during electronickelling/alumina composite plating, and nickel plate connects the anode of power supply.Titanium closes
Gold plating bath formula：Nickel sulfate 280g/L, nickel chloride 50g/L, boric acid 35g/L, lauryl sodium sulfate 1g/L.First by powder
Grain Al2O3It is placed in the polyglycol solution of 20g/L, using ultrasonic wave dispersing and disintegrating, is added in plating solution after refinement, pH value is
4.8, plating temperature is 90 DEG C, mechanical agitation plating solution during plating.
（4）After TC4 titanium alloy sheets electronickelling/alumina composite plating, the TC4 titanium alloy sheets containing pre-plating layer are washed with water
Totally, dry, the drying at 80 DEG C is then placed in drying oven, and workpiece, which is put into hermetically drying container, after drying preserves.
（5）TC4 titanium alloy sheets containing nickel/alumina composite coating after drying are placed in electron beam welding room, are extracted
Vacuum state, carries out its surface surface remelting processing experiment, electron beam equipment model THDW-7, and relevant parameter is：It focuses on
Electric current 480mA, bias 2000V, heater current 21A, high pressure 60KV, welding line are 8mA, sweep trace of electron beam X-axis and Y-axis
Step-length is 8.
Using the microhardness of HV-1000 types microhardness testers test modified layer, load 100g, the test force retention time is
30s takes along modified layer and measures microhardness value apart from surface to base material, and the average value of same 5 points of depth is obtained as measured value
To the firmness change trend curve of the modified layer shown in Fig. 3 from outward appearance to inner essence.
According to hardness curve as can be seen that the modified layer hardness that the present embodiment obtains is up to 720HV, TC4 is titanium alloy-based
Body hardness 345HV or so, hardness improves 108.7%.In contrast to 1 ~ embodiment of embodiment 3, the present embodiment is first after composite electroplated plating
The TC4 titanium alloy modified coating hardness highests that electron beam remelting complex technique obtains, can reach the 2 times or more of titanium alloy substrate,
Hardness improvement effect is optimal.
Claims (1)
1. a kind of surface modifying method of titanium alloy surface electroplated layer electron beam remelting again, it is characterized in that according to the following steps：
（1）The TC4 titanium alloy sheets of surfacing are chosen, the side's of being fabricated to shape sample is first cut, surface is polished with sand paper, is thrown
Light；
（2）Electroplating processes are carried out after TC4 titanium alloy sheets are preprocessed, titanium alloy pretreating process flow is：Electrochemical deoiling →
Washing → pickling → washing → activation → washing；Pre-treatment before plating can obtain the clean catalytic transition surface for being suitable for coating, tool
Body formulation condition is as follows, electrochemical deoiling：30 ~ 40 g/L of sodium hydroxide, sodium carbonate 25 ~ 35 g/L, 25 ~ 35g/L of sodium phosphate, silicic acid
3 ~ 7 g/L of sodium, 2 ~ 3 g/L of sodium fluoride, 70 ~ 80 DEG C of temperature, 20 ~ 30 min of time；Pickling：15 ~ 25 g/L of hydrofluoric acid, nitric acid
40 ~ 50g/L, room temperature, 3 ~ 15 s of time；Activation：Hydrochloric acid 350 ~ 400 g/L, 800 ~ 900g/L of sulfuric acid, room temperature, time 20 ~ 30
min；
（3）TC4 titanium alloy sheets are electroplated, and electro-plating method includes plating metal and composite electroplated coating technology；
（4）After the plating of TC4 titanium alloy sheets, the TC4 titanium alloy sheets containing pre-plating layer are washed with water totally, are then placed in drying oven
Interior drying, dry under the conditions of 80 ~ 90 DEG C, workpiece, which is put into hermetically drying container, after drying preserves；
（5）TC4 titanium alloy sheets containing pre-plating layer after drying are placed in electron beam welding room, vacuum state are extracted, to its table
Face carries out surface remelting processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810059813.6A CN108251873A (en) | 2018-01-22 | 2018-01-22 | A kind of surface modifying method of titanium alloy surface electroplated layer electron beam remelting again |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810059813.6A CN108251873A (en) | 2018-01-22 | 2018-01-22 | A kind of surface modifying method of titanium alloy surface electroplated layer electron beam remelting again |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108251873A true CN108251873A (en) | 2018-07-06 |
Family
ID=62742009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810059813.6A Pending CN108251873A (en) | 2018-01-22 | 2018-01-22 | A kind of surface modifying method of titanium alloy surface electroplated layer electron beam remelting again |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108251873A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112391656A (en) * | 2020-11-05 | 2021-02-23 | 浙江工业大学 | Method for manufacturing copper by titanium alloy additive based on laser and electrochemical deposition interactive processing |
| CN112725855A (en) * | 2020-12-28 | 2021-04-30 | 安徽大地熊新材料股份有限公司 | Preparation method of high-bonding-force high-corrosion-resistance coating on surface of neodymium iron boron magnet |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1958846A (en) * | 2005-11-03 | 2007-05-09 | 中国科学院金属研究所 | Method for protecting magnesium alloy |
| CN104562098A (en) * | 2014-12-30 | 2015-04-29 | 沈阳理工大学 | Method for synthesizing titanium-nickel alloy layer through electron beam |
| CN106567057A (en) * | 2016-11-14 | 2017-04-19 | 南昌航空大学 | Method for adopting fluoride-phosphate conversion as titanium alloy chemical nickel plating pretreatment |
-
2018
- 2018-01-22 CN CN201810059813.6A patent/CN108251873A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1958846A (en) * | 2005-11-03 | 2007-05-09 | 中国科学院金属研究所 | Method for protecting magnesium alloy |
| CN104562098A (en) * | 2014-12-30 | 2015-04-29 | 沈阳理工大学 | Method for synthesizing titanium-nickel alloy layer through electron beam |
| CN106567057A (en) * | 2016-11-14 | 2017-04-19 | 南昌航空大学 | Method for adopting fluoride-phosphate conversion as titanium alloy chemical nickel plating pretreatment |
Non-Patent Citations (1)
| Title |
|---|
| 丁龙生 等: "《钛及其合金耐磨涂层与性能》", 31 December 2006 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112391656A (en) * | 2020-11-05 | 2021-02-23 | 浙江工业大学 | Method for manufacturing copper by titanium alloy additive based on laser and electrochemical deposition interactive processing |
| CN112391656B (en) * | 2020-11-05 | 2022-02-11 | 浙江工业大学 | Method for manufacturing copper by titanium alloy additive based on laser and electrochemical deposition interactive processing |
| CN112725855A (en) * | 2020-12-28 | 2021-04-30 | 安徽大地熊新材料股份有限公司 | Preparation method of high-bonding-force high-corrosion-resistance coating on surface of neodymium iron boron magnet |
| CN112725855B (en) * | 2020-12-28 | 2022-05-10 | 安徽大地熊新材料股份有限公司 | Preparation method of high-bonding-force high-corrosion-resistance coating on surface of neodymium iron boron magnet |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109763125B (en) | High-entropy alloy coating resistant to high-temperature abrasion and preparation process and application thereof | |
| CN101423968B (en) | Method for manufacturing electric plating diamond burr | |
| Sun et al. | A novel process for electroless nickel plating on anodized magnesium alloy | |
| US4886583A (en) | Formation of protective coatings by electrolytic codeposition of a nickel-cobalt matrix and ceramic particles | |
| CN111471997B (en) | Metal material containing layered double hydroxide composite coating and plating layer and preparation method thereof | |
| JP4644214B2 (en) | Coating for improving the wear performance of an article and method for coating an article | |
| CN105568335B (en) | A kind of technique that steel substrate surface prepares FeNiCoCuCr high entropy alloy coating | |
| CN108251873A (en) | A kind of surface modifying method of titanium alloy surface electroplated layer electron beam remelting again | |
| CN108796564A (en) | A kind of Ni-Mo that high hardness wear-resisting is anti-corrosion alloys/diamond composite coating and preparation method thereof | |
| Chen et al. | A newly designed NiP duplex coating on friction stir welding joint of 6061-T6 aluminum | |
| EP0119608A2 (en) | Coating composite for extended corrosion resistance | |
| CN108130570A (en) | A kind of compound trivalent plating chromium process | |
| US6699379B1 (en) | Method for reducing stress in nickel-based alloy plating | |
| CN107699758A (en) | A kind of robot firm banking | |
| CN110453261B (en) | Material surface modification method and device based on electrochemistry | |
| CN1255579C (en) | Method for in situ growing high-hardness wear resistant ceramic coating layer on titanium alloy surface | |
| CN108396314A (en) | A kind of surface modifying method of titanium alloy surface chemical deposit electron beam remelting again | |
| CN113502518B (en) | Wear-resistant aluminum alloy composite material | |
| CN113584542B (en) | Method for plating nickel on surface of aluminum alloy | |
| CN109136910A (en) | A kind of high abrasion coating material and the preparation method and application thereof | |
| Wei et al. | Microstructure and properties of TiN/Ni composite coating prepared by plasma transferred arc scanning process | |
| Manoj et al. | A review-black oxide coating on metal substrates of steels, aluminium, magnesium and copper | |
| CN109487261B (en) | Method for quickly electrodepositing coating on surface of magnesium alloy | |
| CN105586582A (en) | Base layer of non-stick product coating and manufacturing method thereof | |
| CN109267115A (en) | A kind of copper components nickel plating process |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180706 |
|
| RJ01 | Rejection of invention patent application after publication |