CN103556132A - Nickel-phosphor base composite plating solution containing SiC and graphene for aluminium alloy - Google Patents

Nickel-phosphor base composite plating solution containing SiC and graphene for aluminium alloy Download PDF

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Publication number
CN103556132A
CN103556132A CN201310556604.XA CN201310556604A CN103556132A CN 103556132 A CN103556132 A CN 103556132A CN 201310556604 A CN201310556604 A CN 201310556604A CN 103556132 A CN103556132 A CN 103556132A
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nickel
graphene
base composite
sic
composite plating
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CN103556132B (en
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周向志
祁惠光
顾浩
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Hangzhou Guangrong Science & Technology Co Ltd
YUYAO YITONG BRAKE SYSTEM FITTINGS FACTORY
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Hangzhou Guangrong Science & Technology Co Ltd
YUYAO YITONG BRAKE SYSTEM FITTINGS FACTORY
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    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C18/00Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/31Coating with metals
    • C23C18/32Coating with nickel, cobalt or mixtures thereof with phosphorus or boron
    • C23C18/34Coating with nickel, cobalt or mixtures thereof with phosphorus or boron using reducing agents
    • C23C18/36Coating with nickel, cobalt or mixtures thereof with phosphorus or boron using reducing agents using hypophosphites
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C18/00Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/1601Process or apparatus
    • C23C18/1633Process of electroless plating
    • C23C18/1655Process features
    • C23C18/1662Use of incorporated material in the solution or dispersion, e.g. particles, whiskers, wires
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C18/00Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/1601Process or apparatus
    • C23C18/1633Process of electroless plating
    • C23C18/1689After-treatment
    • C23C18/1692Heat-treatment
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C18/00Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/18Pretreatment of the material to be coated
    • C23C18/1803Pretreatment of the material to be coated of metallic material surfaces or of a non-specific material surfaces
    • C23C18/1824Pretreatment of the material to be coated of metallic material surfaces or of a non-specific material surfaces by chemical pretreatment
    • C23C18/1837Multistep pretreatment
    • C23C18/1844Multistep pretreatment with use of organic or inorganic compounds other than metals, first

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  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Chemically Coating (AREA)
  • Electroplating Methods And Accessories (AREA)

Abstract

The invention discloses a nickel-phosphor base composite plating solution containing SiC and graphene for an aluminium alloy. The plating solution comprises a chemical nickel-phosphor plating solution and a dispersion liquid containing SiC and graphene, wherein the chemical nickel-phosphor plating solution comprises 20-30g/L of nickel salt, 15-25g/L of complexing agent, 15-30g/L of reducing agent, 2-5mg/L of stabilizing agent, 10-20g/L of buffering agent and the balance of water, and the dispersion liquid is formed by performing magnetic stirring on SiC, graphene and an alcohol high molecular surfactant. The nickel-phosphor base composite plating solution containing SiC and graphene is formed by mixing and stirring the nickel-phosphor plating solution and the SiC and graphene dispersion liquid. A composite coating is formed on the surface of the aluminium alloy by using the composite chemical nickel-phosphor plating solution containing SiC and graphene through chemical plating and thermal treatment. The hardness, wear resistance and anti-sticking property of the coating are greatly higher than those of a general chemical nickel-phosphor plating layer.

Description

Nickel phosphorus base composite plating bath containing SiC and Graphene for a kind of aluminium alloy
Technical field
The present invention relates to the nickel phosphorus base composite plating bath formula containing SiC and Graphene for a kind of aluminium alloy.Main employing will be applicable to the chemical nickel plating phosphor bath of aluminum alloy surface and obtain composite plating bath containing the mode of the dispersion liquid mix and blend of SiC and Graphene, and it has the effects such as coating hardness, wear resistance and the anti-stick of raising.
Background technology
Modern science and technology and industrial expansion have proposed more comprehensive and harsh requirement to material, and wherein the processing of the aspect such as the protection of material surface, modification, strengthening also becomes more and more important.Chemical nickel phosphorus plating technology is because of its good plating feature, and coating has advantages such as hardness is high, wear resistance strong, good corrosion resistance, is widely used in the non-metal material surfaces such as metal, plastics, pottery and semi-conductor, in order to improve material surface performance.
Aluminium alloy has light weight, specific tenacity advantages of higher because of it, in modern industry, is used widely.But there is the shortcomings such as matter is soft, frictional coefficient is high, wearing and tearing are large, difficulty is lubricated in aluminum alloy materials, has limited its application.Chemical nickel phosphorus plating technology for aluminum alloy surface is a kind of novel modification technology, it can improve hardness, the wear resistance of aluminum alloy surface, the performances such as erosion resistance and easily welding, are used widely in fields such as automobile, military affairs, machinery, space flight, computers.
And this technology is through development for many years, it has reached bottleneck to the improvement of aluminum alloy surface performance, researchist wish by find desirable additive and reasonably processing condition obtain high-quality nickel-phosphorus alloy coating.In the last few years, by add some particulate in electroless plating process, realize the mode that particulate and alloy codeposition obtain composite deposite, wished that composite deposite was with the characteristic of matrix metal coating and composite particles phase, improved the over-all properties of coating.On this basis, applicant introduces SiC and Graphene, and the over-all properties system alive compared with nickel-phosphorus alloy coating or SiC/ nickel-phosphorus composite deposit of SiC, Graphene and nickel-phosphorus alloy composite deposite is greatly improved.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, the nickel phosphorus base composite plating bath containing SiC and Graphene for a kind of aluminium alloy is provided.
The present invention, by the dispersion liquid containing SiC and Graphene is joined in chemical nickel plating phosphor bath, forms compound chemical nickel plating phosphor bath, and the coating that this plating solution forms in aluminum alloy surface is improved in hardness, wear resistance and anti-stick etc.
Aluminum alloy surface is containing the nickel phosphorus base composite plating bath of SiC and Graphene, by chemical nickel plating phosphor bath with containing 1: the 1 by volume mix and blend of dispersion liquid of SiC, Graphene, obtains.Chemical nickel plating phosphor bath, every liter is joined in distilled water and is stirred and obtain by 20-30g nickel salt, 15-25g complexing agent, 15-30g reductive agent, 2-5mg stablizer, 10-20g buffer reagent.Wherein nickel salt is single nickel salt or nickelous chloride, and complexing agent is Trisodium Citrate or oxyacetic acid, and reductive agent is sodium hypophosphite or inferior sodium phosphate, and stablizer is thiocarbamide or Potassium Iodate, and buffer reagent is ammonium chloride.And the dispersion liquid of graphene-containing, every liter is dispersion agent by 20-80mg alcohol family macromolecule, and the graphene powder of the SiC powder of 10-20g and 10-25g is added in distilled water, through ultrasonic dispersion 30 minutes, magnetic agitation obtained for 120 minutes.Wherein SiC particle diameter scope is 0.5-1.0 μ m, and the mean thickness of graphene powder is 3.5nm, and diameter is 0.5-5 μ m.
The beneficial effect that the present invention has:
(1) this plating solution can improve the hardness of coating.SiC, Graphene particulate all have higher hardness, form hard phase in nickel-phosphorus coating, can make the supporting capacity of composite deposite improve.
(2) this plating solution improves the wear resistance of coating.The introducing of SiC, graphene powder can improve the contact condition at interface, and the wear resistance of composite deposite is improved.The existence of Graphene has reduced the surface energy of nickel-phosphorus coating simultaneously, has effectively improved the anti-adhesiveproperties of coating.
(3) coating that this plating solution obtains, compares with nickel-phosphor bath or the coating that obtains containing the nickel phosphorus composite plating bath of SiC merely, and the introducing of graphene powder makes the hardness of coating and wear resistance have further lifting.
Embodiment
Form with embodiment illustrates effect of the present invention below, but is not just limited to embodiment.
Layoutprocedure of the present invention is as follows: by the concentration of 20-30g/L nickel salt, 15-25g/L complexing agent, 15-30g/L reductive agent, 2-5mg/L stablizer, 10-20g/L buffer reagent, join in quantitative distilled water and stir, through within 120 minutes, obtaining nickel-phosphor bath.
The alcohol family macromolecule of 20-80mg/L of take is dispersion agent, by the concentration of 10-20g/L and 10-25g/L, by particle size range, be that the SiC powder of 0.5-1.0 μ m and mean thickness are that 3.5nm, diameter are that the graphene powder of 0.5-5 μ m adds in quantitative distilled water, through ultrasonic dispersion 30 minutes, magnetic agitation obtained the dispersion liquid containing SiC and Graphene for 120 minutes.
By the volume ratio nickel-phosphor bath of 1: 1 with containing SiC, graphene dispersing solution mix and blend, form the nickel phosphorus base composite plating bath containing SiC and Graphene for aluminium alloy.
Below in conjunction with embodiment, the invention will be further described.
Embodiment 1
By the concentration of 30g/L single nickel salt, 25g/L Trisodium Citrate, 30g/L inferior sodium phosphate, 5mg/L thiocarbamide, 20g/L ammonium chloride, join in quantitative distilled water and stir, through within 120 minutes, obtaining nickel-phosphor bath.
The alcohol family macromolecule of 20mg/L of take is dispersion agent, the SiC powder and the mean thickness that by the concentration of 10g/L and 10g/L, by particle size range, are 0.5-1.0 μ m are 3.5nm, diameter is that the graphene powder of 0.5-5 μ m adds in quantitative distilled water, through ultrasonic dispersion 30 minutes, magnetic agitation obtained the dispersion liquid of graphene-containing for 120 minutes.
By the volume ratio nickel-phosphor bath of 1: 1 with containing the dispersion liquid mix and blend of SiC, Graphene, form the nickel phosphorus base composite plating bath containing SiC, Graphene for aluminium alloy.
Meanwhile, by 1 times of pure water dilution for above-mentioned nickel-phosphor bath, as the contrasting fluid of nickel phosphorus base composite plating bath.
By following technical process, use identical processing parameter to carry out chemical nickel plating on same aluminium alloy automobile spool two kinds of plating solutions.
Ultrasonic degreasing → ultrasonic wave water washing → washing → microetch → washing → washing → except steep → wash → wash → once soaking zinc → wash → wash → take off zinc → washing → washing → secondary soaking zinc → washing → washing → chemical nickel plating → washing → washing → hot water wash → be dried → thermal treatment
With Micro Pioneer XRF2000 thickness tester, measure the thickness of coating, by the hardness of digital readout Vicker hardness tester InnovaTest400 test coating.Related work parameter and test result are as follows:
Figure BDA0000410860630000031
Embodiment 2
By the concentration of the Potassium Iodate of 25g/L single nickel salt, 20g/L oxyacetic acid, 22g/L sodium hypophosphite, 4mg/L, 18g/L ammonium chloride, join in quantitative distilled water and stir, through within 120 minutes, obtaining nickel-phosphor bath.
The alcohol family macromolecule of 80mg/L of take is dispersion agent, the SiC powder and the mean thickness that by the concentration of 20g/L and 25g/L, by particle size range, are 0.5-1.0 μ m are 3.5nm, diameter is that the graphene powder of 0.5-5 μ m adds in quantitative distilled water, through ultrasonic dispersion 30 minutes, magnetic agitation obtained the dispersion liquid of graphene-containing for 120 minutes.
By the volume ratio nickel-phosphor bath of 1: 1 with containing the dispersion liquid mix and blend of SiC, Graphene, form the nickel phosphorus base composite plating bath containing SiC and Graphene for aluminium alloy.
Meanwhile, by 1 times of pure water dilution for above-mentioned nickel-phosphor bath, as the contrasting fluid of nickel phosphorus base composite plating bath.
By following technical process, use identical processing parameter to carry out chemical nickel plating on same aluminium alloy automobile spool two kinds of plating solutions.
Ultrasonic degreasing → ultrasonic wave water washing → washing → microetch → washing → washing → except steep → wash → wash → once soaking zinc → wash → wash → take off zinc → washing → washing → secondary soaking zinc → washing → washing → chemical nickel plating → washing → washing → hot water wash → be dried → thermal treatment
With Micro Pioneer XRF2000 thickness tester, measure the thickness of coating, by the hardness of digital readout Vicker hardness tester InnovaTest400 test coating.Related work parameter and test result are as follows:
Figure BDA0000410860630000041
Embodiment 3
By the concentration of 20g/L nickelous chloride, 15g/L Trisodium Citrate, 15g/L sodium hypophosphite, 2mg/L thiocarbamide, 10g/L ammonium chloride, join in quantitative distilled water and stir, through within 120 minutes, obtaining nickel-phosphor bath.
The alcohol family macromolecule of 40mg/L of take is dispersion agent, the SiC powder and the mean thickness that by the concentration of 13g/L and 15g/L, by particle size range, are 0.5-1.0 μ m are 3.5nm, diameter is that the graphene powder of 0.5-5 μ m adds in quantitative distilled water, through ultrasonic dispersion 30 minutes, magnetic agitation obtained the dispersion liquid of graphene-containing for 120 minutes.
By the volume ratio nickel-phosphor bath of 1: 1 with containing SiC, graphene dispersing solution mix and blend, form the nickel phosphorus base composite plating bath containing SiC and Graphene for aluminium alloy.
Meanwhile, by 1 times of pure water dilution for above-mentioned nickel-phosphor bath, as the contrasting fluid of nickel phosphorus base composite plating bath.
By following technical process, use identical processing parameter to carry out chemical nickel plating on same aluminium alloy automobile spool two kinds of plating solutions.
Ultrasonic degreasing → ultrasonic wave water washing → washing → microetch → washing → washing → except steep → wash → wash → once soaking zinc → wash → wash → take off zinc → washing → washing → secondary soaking zinc → washing → washing → chemical nickel plating → washing → washing → hot water wash → be dried → thermal treatment
With Micro Pioneer XRF2000 thickness tester, measure the thickness of coating, by the hardness of digital readout Vicker hardness tester InnovaTest400 test coating.Related work parameter and test result are as follows:
Figure BDA0000410860630000051
Embodiment 4
By the concentration of 22g/L single nickel salt, 18g/L Trisodium Citrate, 21g/L inferior sodium phosphate, 3mg/L Potassium Iodate, 12g/L ammonium chloride, join in quantitative distilled water and stir, through within 120 minutes, obtaining nickel-phosphor bath.
The alcohol family macromolecule of 60mg/L of take is dispersion agent, the SiC powder and the mean thickness that by the concentration of 17g/L and 20g/L, by particle size range, are 0.5-1.0 μ m are 3.5nm, diameter is that the graphene powder of 0.5-5 μ m adds in quantitative distilled water, through ultrasonic dispersion 30 minutes, magnetic agitation obtained the dispersion liquid of graphene-containing for 120 minutes.
By the volume ratio nickel-phosphor bath of 1: 1 with containing the dispersion liquid mix and blend of SiC, Graphene, form the nickel phosphorus base composite plating bath containing SiC and Graphene for aluminium alloy.
Meanwhile, by 1 times of pure water dilution for above-mentioned nickel-phosphor bath, as the contrasting fluid of nickel phosphorus base composite plating bath.
By following technical process, use identical processing parameter to carry out chemical nickel plating on same aluminium alloy automobile spool two kinds of plating solutions.
Ultrasonic degreasing → ultrasonic wave water washing → washing → microetch → washing → washing → except steep → wash → wash → once soaking zinc → wash → wash → take off zinc → washing → washing → secondary soaking zinc → washing → washing → chemical nickel plating → washing → washing → hot water wash → be dried → thermal treatment.
With Micro Pioneer XRF2000 thickness tester, measure the thickness of coating, by the hardness of digital readout Vicker hardness tester InnovaTest400 test coating.Related work parameter and test result are as follows:

Claims (9)

1. the nickel phosphorus base composite plating bath containing SiC and Graphene for aluminium alloy, is characterized in that: this plating solution forms by chemical nickel plating phosphor bath with containing the dispersion liquid of SiC, Graphene, chemical nickel plating phosphor bath and dispersion liquid
Volume ratio is 1:1.
2. nickel phosphorus base composite plating bath as claimed in claim 1, is characterized in that: every liter of chemical nickel plating phosphor bath is joined in distilled water and stirred and obtain by nickel salt 20-30g, complexing agent 15-25g, reductive agent 15-30g, stablizer 2-5mg, buffer reagent 10-20g.
3. nickel phosphorus base composite plating bath as claimed in claim 2, is characterized in that: described nickel salt is single nickel salt or nickelous chloride.
4. nickel phosphorus base composite plating bath as claimed in claim 2, is characterized in that: described complexing agent is Trisodium Citrate or oxyacetic acid.
5. nickel phosphorus base composite plating bath as claimed in claim 2, is characterized in that: described reductive agent is sodium hypophosphite or inferior sodium phosphate.
6. nickel phosphorus base composite plating bath as claimed in claim 2, is characterized in that: described stablizer is thiocarbamide or Potassium Iodate.
7. nickel phosphorus base composite plating bath as claimed in claim 2, is characterized in that: described buffer reagent is ammonium chloride.
8. nickel phosphorus base composite plating bath as claimed in claim 1, it is characterized in that: every liter of dispersion liquid is dispersion agent by 20-80mg alcohol family macromolecule, the SiC powder of 10-20g, the graphene powder of 10-25g adds in distilled water, through ultrasonic dispersion 30 minutes, magnetic agitation obtained for 120 minutes.
9. nickel phosphorus base composite plating bath as claimed in claim 8, is characterized in that: the particle size range of SiC powder is 0.5-1.0 μm, the mean thickness of graphene powder is 3.5nm, diameter is 0.5-5 μm.
CN201310556604.XA 2013-11-08 2013-11-08 The nickel phosphorus base composite plating bath of a kind of aluminium alloy containing SiC and Graphene Expired - Fee Related CN103556132B (en)

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Cited By (4)

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CN107916415A (en) * 2017-11-21 2018-04-17 北京理工大学 The preparation method of graphene phosphatization nickel composite deposite and the coating being prepared
CN108559979A (en) * 2018-01-24 2018-09-21 永星化工(上海)有限公司 A kind of chemical nickel-plating liquid and preparation method thereof
CN109487247A (en) * 2017-09-12 2019-03-19 欣兴电子股份有限公司 Chemical nickel plating graphene composite material layer and its manufacturing method
CN110153404A (en) * 2018-04-11 2019-08-23 广东华斓汽车材料研究院 A kind of body of a motor car light weight aluminum matrix composite and preparation method thereof

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109487247A (en) * 2017-09-12 2019-03-19 欣兴电子股份有限公司 Chemical nickel plating graphene composite material layer and its manufacturing method
CN107916415A (en) * 2017-11-21 2018-04-17 北京理工大学 The preparation method of graphene phosphatization nickel composite deposite and the coating being prepared
CN108559979A (en) * 2018-01-24 2018-09-21 永星化工(上海)有限公司 A kind of chemical nickel-plating liquid and preparation method thereof
CN108559979B (en) * 2018-01-24 2020-05-08 永星化工(上海)有限公司 Chemical nickel plating solution and preparation method thereof
CN110153404A (en) * 2018-04-11 2019-08-23 广东华斓汽车材料研究院 A kind of body of a motor car light weight aluminum matrix composite and preparation method thereof

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