CN103668393A - Preparation method of magnesium alloy surface micro-arc oxidized nano self-assembling composite protective coating - Google Patents
Preparation method of magnesium alloy surface micro-arc oxidized nano self-assembling composite protective coating Download PDFInfo
- Publication number
- CN103668393A CN103668393A CN201210345501.4A CN201210345501A CN103668393A CN 103668393 A CN103668393 A CN 103668393A CN 201210345501 A CN201210345501 A CN 201210345501A CN 103668393 A CN103668393 A CN 103668393A
- Authority
- CN
- China
- Prior art keywords
- magnesium alloy
- preparation
- protective coating
- water
- compound protective
- 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.)
- Granted
Links
Images
Abstract
The invention discloses a preparation method of a magnesium alloy surface micro-arc oxidized nano self-assembling composite protective coating, and belongs to the technical field of magnesium alloy surface treatment. The method comprises the following steps: firstly performing micro-arc oxidation on a magnesium alloy matrix surface to form a porous ceramic layer, spraying modified water-based paint on the porous ceramic layer surface to form a water-based coating so as to form a composite protective coating composed of the porous ceramic layer and the water-based coating on the magnesium alloy matrix surface. The multilayer composite protective coating formed on the magnesium alloy surface has the features of good binding force, good compactness, high hardness, high corrosion resistance, high wear resistance and the like; the preparation method is simple, convenient and environment-friendly; the composite protective coating is an expected composite protective coating of the magnesium alloy application, and the protective requirement on the magnesium alloy product in severe environment is satisfied.
Description
Technical field
The present invention relates to field of metal surface treatment technology, be specifically related to a kind of preparation method of magnesium alloy surface micro-arc oxidation nanoassemble compound protective coating.
Background technology
Magnesium alloy, as a kind of very important metallic substance, is the metal of density minimum in structural metallic materials, compares with aluminium alloy, Young's modulus is large, good heat dissipation, and shock absorbing is good, the features such as loading capacity is large that withstand shocks, can meet the requirement of household electrical appliance, communication electron device and automotive light weight technology.In addition, magnesium alloy also has that specific tenacity is high, specific rigidity is high, damping and amortization is good, thermal conductivity is good and the high-performance such as vibration damping is good, as the substitute of iron and steel, aluminium, plastic or other material, in fields such as automotive industry, aerospace industry and electronic industries, be with a wide range of applications.Yet up to now, still have huge contrast between its application potential and reality, this is because magnesium is extremely active metal, and Standard Electrode Potentials is-2.36V (vs.SCE) that the electromotive force in typical media is also all very low.Because the current potential of magnesium alloy is low; thermodynamic stability is poor; in air, be easy to oxidized; generate loose, the very poor oxide film of protective capability; cause the corrosion resistance of magnesium alloy poor; this has caused magnesium alloy all very serious corrosion will occur in moist atmosphere, extra large water and soil, the obstruction that this is serious the application of magnesium alloy in various fields.In addition, the chemically reactive of magnesium alloy is higher, higher to the integrity of painting/coating, anti-physical abuse Capability Requirement, this just requires the integrity of protective layer (painting/coating), anti-physical abuse ability must reach higher level, and existing painting/coating technology is all difficult to practical requirement.Therefore the high hard anti-corrosion protective layer new technology of exploitation is the key point that promotes magnesium alloy application.
At present, differential arc oxidation is the most promising technique means of realizing this goal.It is a kind of under thermochemistry, plasma chemistry and electrochemistry acting in conjunction, in the technology of metallic surface growth in situ pottery oxide film, has the advantages such as simple, the easy to operate or oxide film bonding force of technique, solidity to corrosion, hardness be better.Yet magnesium alloy micro-arc oxidization ceramic coating is a kind of loose microvoid structure, cause its barrier propterty limited.
And generally only play ornamental effect at the common coating of Mg alloy surface direct spraying.Although it is easy to operate simple, technique is abundant, if there is no strict suitable pretreatment procedure, bonding force and the erosion resistance of compound coating can not be guaranteed.Really there is good combination power, erosion resistance, wear resistance and free of contamination organic coating technique and not yet have sufficient application verification.
Obviously, the development of above-mentioned single magnesium alloy surface treatment all has obvious limitation, is difficult to meet the wear Protection needs that actual magnesium alloy is higher.
Summary of the invention
The present invention is directed to the defect of the process for treating surface that current magnesium alloy is single, provide that a kind of at Mg alloy surface, to prepare bonding force good and have the preparation method of the magnesium alloy surface micro-arc oxidation nanoassemble compound protective coating of high corrosion resistance, meet the requirement of shelter of magnesium-alloy material in severe rugged environment.Raw material sources of the present invention are extensive, with low cost; Preparation technology can at room temperature carry out, and working method is simply efficient; The modified aqueous paint low toxic and environment-friendly using, stable performance, is suitable for standing storage.
Technical solution of the present invention is as follows:
A kind of preparation method of magnesium alloy surface micro-arc oxidation nanoassemble compound protective coating, first the method is carried out differential arc oxidation to magnesium alloy matrix surface and is formed porous ceramic layer, then porous ceramic layer surface spraying modified aqueous paint is formed to aqueous coating, thereby form at magnesium alloy matrix surface the compound protective coating being formed by porous ceramic layer and aqueous coating.Specifically comprise the steps:
(1) differential arc oxidation
First magnesium alloy substrate is polished, polishing, except wet goods pre-treatment, to remove the loose oxide film of matrix surface and impurity.Then magnesium alloy substrate (as anode) is put into electrolytic solution, adopt high voltage pulse mode to carry out differential arc oxidation to matrix.The electrolytic solution of differential arc oxidation is: sodium hydroxide 2 ~ 10g/L, and water glass 5～20g/L, all the other are water; Adopt high voltage pulse mode to carry out differential arc oxidation, pulse-repetition is 100～2000Hz, and current density is 2 ~ 10A/dm
2, the differential arc oxidation time is 30～60min, differential arc oxidation temperature is 10 ~ 50 ℃.Prepared oxide film is porous ceramic layer, and main component is Magnesium Silicate q-agent, and porous ceramics layer thickness is 10～25 μ m, and porosity is 20%～40%, and aperture is 1～6 μ m.
(2) preparation of modified aqueous paint
Described modified aqueous paint is by 0.1:(10～20 by nanoassemble permeate agent, common water-borne coatings and deionized water): after the part by weight of (1 ~ 5) mixes, stir 20～30min, after standing pin bubble, make.
Described common water-borne coatings adopts different types of water-borne coatingss such as water soluble acrylic acid, aqueous polyurethane, water-base epoxy, water-based fluorocarbon, water-based metal baking vanish.
Described nanoassemble permeate agent be each component in following raw material is miscible after, under agitation condition, be hydrolyzed 2～3 days and obtain to mixed solution clarification; In described raw material, each component is counted by weight, composed as follows:
Described silane mixture liquid is that γ-glycidyl ether oxygen propyl trimethoxy silicane (KH-560) and tetraethyl orthosilicate (TEOS) mix, and the mol ratio of KH-560 and TEOS is (3～5): (0.2～1.5); Hydrolyst is the mixed solution of acetic acid and phytic acid, and the mol ratio of acetic acid and phytic acid is (3～8): (1～3); Solubility promoter is dehydrated alcohol.
(3) modified aqueous paint spraying (Combined Processing)
Before spraying, first in the modified aqueous paint of preparation, add the solution of aliphatics amine solidifying agent, after fully mixing, make its pH value for 5.5-7, after the froth breaking of mourning in silence, use.Aliphatics amine solidifying agent is diethylenetriamine, and the concentration of aliphatics amine curing agent solution is 10mol/L.
Then surface there is is the magnesium alloy sample spraying of porous ceramic layer to regulate the modified aqueous paint after pH value, surface at porous ceramic layer forms aqueous coating, thereby forms good, the high anti-corrosion compound protective coating of the bonding force being comprised of porous ceramic layer and aqueous coating at magnesium alloy matrix surface.
Modified aqueous paint spraying parameter is: spray pressure is 1.5～2.5MPa, and spray distance is 20～60mm, 150～180 ℃ of bake out temperatures, drying time 20～30min; Thickness 10～20 μ m of aqueous coating.
Described magnesium alloy is AZ91D, AZ31B, ZM5, ZM6, MB5 or magnesium-rare earth Mg-Gd-Y etc.
Advantage of the present invention and beneficial effect are as follows:
1, the nanoassemble permeate agent that the present invention is used for modified aqueous paint is in preparation process, its hydrolysis environment is high water concentration, can accelerate the hydrolysis reaction of silane mixture liquid, suppress the polyreaction of silane hydrolyzate intermediate, and finally form stable nanoassemble dispersion liquid.
2, in the present invention, nanoassemble permeate agent can be mixed with modified aqueous paint by a certain percentage with multiple common water-borne coatings.Be applicable to various magnesium alloy micro-arc oxidization ceramic coating (porous ceramic layer) surface, can form good compound action with micropore and the defect on arc differential oxide ceramic layer surface, micropore and defect are played to the effect of " sealing "; Make ceramic layer form good chemical bonding with painting interlayer, improve integral protection performance and the bonding properties of magnesium alloy differential arc oxidation compound coating, can extend to a certain extent the work-ing life of magnesium alloy differential arc oxidation compound coating in actual application, reduce maintenance cost.
3, raw material sources of the present invention are extensive, with low cost; Preparation technology can at room temperature carry out, and working method is simply efficient; The modified aqueous paint low toxic and environment-friendly using, stable performance, is suitable for standing storage.
4, the present invention is applicable to the magnesium alloy of AZ, ZM, MB and rare earth metal: as AZ91D, AZ31B, ZM5, ZM6, MB5 and Mg-Gd-Y etc.
Accompanying drawing explanation
Fig. 1 is the compound protective coating of the embodiment of the present invention 1 preparation photo in neutral salt spray test.
Fig. 2 is the compound protective coating of the comparative example 1 preparation photo in neutral salt spray test.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described further.
Embodiment 1
1. material is prepared: after AZ91D magnesium alloy cutting polishing, polishing, use ultrasonic cleaning oil removing in ethanol solution.
2. the configuration of differential arc oxidation: sodium hydroxide 2g/L, water glass 5g/L, all the other are water, temperature is room temperature.Adopt high voltage pulse mode to carry out differential arc oxidation, pulse-repetition is 200Hz, and current density is 2A/dm
2, oxidization time is 30min, oxide thickness is 10 μ m, porosity 30%, aperture 1～4 μ m.
3. the preparation of modification compound coating:
1) configuration of silane mixture liquid.Silane KH-560 and TEOS be take to ratio that mol ratio is n (KH560): n (TEOS)=4:1 and mix and stir evenly, obtain silane mixture liquid.
2) configuration of hydrolyst.Acetic acid and phytic acid be take to the ratio that mol ratio is n (acetic acid): n (phytic acid)=3:1 and mix, obtain hydrolyst.
3) configuration of solubility promoter.Solubility promoter is selected dehydrated alcohol.
4) configuration of nanoassemble permeate agent.At ambient temperature, after silane mixture liquid, hydrolyst, solubility promoter and deionized water are mixed by following parts by weight, continue to stir, hydrolysis 48h, until after mixed solution clarification, ageing is standby, obtains nanoassemble permeate agent (a liquid).
5) configuration of solidifying agent.Solidifying agent is selected diethylenetriamine, is made into the aqueous solution of 10mol/L, obtains the solution (b liquid) of aliphatics amine solidifying agent.
6) configuration of modified paint.First b liquid is added in a liquid, regulating a liquid pH is 6.0 ± 0.2, then at ambient temperature by the routine 0.1:10:5 mixing in mass ratio of a liquid of adjusted pH value, XGE-401-B water soluble acrylic acid coating (Anhui Seagal coating Science and Technology Ltd.) and deionized water, after stirring 30min fully mixes, after standing 20min pin bubble, obtain modified aqueous paint.
7) use on the magnesium alloy print surface of environment-friendly spray coating technique after differential arc oxidation and prepare water-based compound coating.Spraying parameter is: spray pressure is 1.5MPa, and spray distance is 20mm, 150 ℃ of bake out temperatures, and drying time 30min, the thickness of coating is 10 μ m.
The bonding strength of the Mg alloy surface compound protective coating being obtained by the present embodiment is 30MPa, surface Vickers' hardness maximum can reach Hv280, more than resistance to neutral salt spray test reaches 380h, wear resistance: coefficient of wear (WI) < 0.8, the photo of its neutral salt spray test as shown in Figure 1.
Comparative example 1
Difference from Example 1 is:
1. material is prepared: after AZ91D magnesium alloy cutting polishing, polishing, use ultrasonic cleaning oil removing in ethanol solution.
2. the configuration of differential arc oxidation: sodium hydroxide 2g/L, water glass 5g/L, all the other are water, temperature is room temperature.Adopt high voltage pulse mode to carry out differential arc oxidation, pulse-repetition is 200Hz, and current density is 2A/dm
2, oxidization time is 30min, oxide thickness is 10 μ m, porosity 30%, aperture 1～4 μ m.
3. the preparation of common compound coating:
1) configuration of coating.By XGE-401-B water soluble acrylic acid coating (Anhui Seagal coating Science and Technology Ltd.) and deionized water routine 10:5 mixing in mass ratio, after stirring 30min fully mixes, after standing 20min pin bubble, obtain common water-borne coatings at ambient temperature.
2) use on the magnesium alloy print surface of environment-friendly spray coating technique after differential arc oxidation and prepare water-based compound coating.Spraying parameter is: spray pressure is 1.5MPa, and spray distance is 20mm, 150 ℃ of bake out temperatures, and drying time 30min, the thickness of coating is 10 μ m.
The bonding strength of the Mg alloy surface compound protective coating being obtained by this comparative example is 20MPa, surface Vickers' hardness maximum can reach Hv240, more than resistance to neutral salt spray test reaches 240h, wear resistance: coefficient of wear (WI) <1.0, as shown in Figure 2, as can be seen from Figure, just there is obvious bubbling phenomenon in neutral salt spray 240h left and right in print to the photo of its neutral salt spray test, when 360h, bubbling phenomenon is further aggravated.
Embodiment 2
1. material is prepared: after AZ31B magnesium alloy cutting polishing, polishing, use ultrasonic cleaning oil removing in ethanol solution.
2. the configuration of differential arc oxidation: sodium hydroxide 5g/L, water glass 5g/L, all the other are water, temperature is room temperature.Adopt high voltage pulse mode to carry out differential arc oxidation, pulse-repetition is 350Hz, and current density is 2A/dm
2, oxidization time is 40min, oxide thickness is 15 μ m, porosity 28%, aperture 2 ~ 5 μ m.
3. the preparation of modification compound coating:
1) configuration of silane mixture liquid.Silane KH-560 and TEOS be take to ratio that mol ratio is n (KH560): n (TEOS)=5:1 and mix and stir evenly, obtain silane mixture liquid.
2) configuration of hydrolyst.By acetic acid and phytic acid take mol ratio as n (acetic acid): n (phytic acid)=: 2 ratio mixes, and obtains hydrolyst.
3) configuration of solubility promoter.Solubility promoter is selected dehydrated alcohol.
4) configuration of nanoassemble permeate agent.At ambient temperature, after silane mixture liquid, hydrolyst, solubility promoter and deionized water are mixed by following parts by weight, continue to stir, hydrolysis 48h, until after mixed solution clarification, ageing is standby, obtains nanoassemble permeate agent (a liquid).
5) configuration of solidifying agent.Solidifying agent is selected diethylenetriamine, is made into the aqueous solution of 10mol/L, obtains the solution (b liquid) of aliphatics amine solidifying agent.
6) configuration of modified paint.First b liquid is added in a liquid, regulating a liquid pH is 6.0 ± 0.2, then the part by weight of at ambient temperature a liquid of adjusted pH value, XGE-FT-A aqueous fluorocarbon coating (Anhui Seagal coating Science and Technology Ltd.) and deionized water being pressed to 0.1:15:5 mixes, after stirring 30min fully mixes, after standing 20min froth breaking, obtain modified aqueous paint.
7) use on the magnesium alloy print surface of environment-friendly spray coating technique after differential arc oxidation and prepare water-based compound coating.Spraying parameter is: spray pressure is 2MPa, and spray distance is 20mm, 150 ℃ of bake out temperatures, and drying time 30min, the thickness of coating is 10 μ m.
The bonding strength of the Mg alloy surface compound protective coating being obtained by the present embodiment is 32MPa, and surperficial Vickers' hardness maximum can reach Hv300, more than resistance to neutral salt spray test reaches 360h, and wear resistance: coefficient of wear (WI) < 0.7.
Embodiment 3
1. material is prepared: after AZ31B magnesium alloy cutting polishing, polishing, use ultrasonic cleaning oil removing in acetone soln.
2. the configuration of differential arc oxidation: sodium hydroxide 5g/L, water glass 15g/L, all the other are water, temperature is room temperature.Adopt high voltage pulse mode to carry out differential arc oxidation, pulse-repetition is 500Hz, and current density is 3A/dm
2, oxidization time is 30min, oxide thickness is 14 ~ 15 μ m, porosity 35%, aperture 2 ~ 5 μ m.
3. the preparation of modification compound coating:
1) configuration of silane mixture liquid.Silane KH-560 and TEOS be take to ratio that mol ratio is n (KH560): n (TEOS)=5:2 and mix and stir evenly, obtain silane mixture liquid.
2) configuration of hydrolyst.Acetic acid and phytic acid be take to the ratio that mol ratio is n (acetic acid): n (phytic acid)=4:1 and mix, obtain hydrolyst.
3) configuration of solubility promoter.Solubility promoter is selected dehydrated alcohol.
4) configuration of nanoassemble permeate agent.At ambient temperature, after silane mixture liquid, hydrolyst, solubility promoter and deionized water are mixed by following parts by weight, continue to stir, hydrolysis 60h, until after mixed solution clarification, ageing is standby, obtains nanoassemble permeate agent (a liquid).
5) configuration of solidifying agent.Solidifying agent is selected diethylenetriamine, is made into the aqueous solution of 10mol/L, obtains b liquid.
6) configuration of modified paint.First b liquid is added in a liquid, regulating a liquid pH is 6.0 ± 0.2, then at ambient temperature a liquid of adjusted pH value, XGE-401-C waterborne metallic paint (Anhui Seagal coating Science and Technology Ltd.) and deionized water are mixed in the ratio of massfraction 0.1:10:1, after stirring 30min fully mixes, after standing 20min froth breaking, obtain modified aqueous paint.
7) use on the magnesium alloy print surface of environment-friendly spray coating technique after differential arc oxidation and prepare water-based compound coating.Spraying parameter is: spray pressure is 2MPa, and spray distance is 20mm, 180 ℃ of bake out temperatures, and drying time 20min, the thickness of coating is 8～10 μ m.
The bonding strength of the Mg alloy surface compound protective coating being obtained by the present embodiment is 31MPa, and surperficial Vickers' hardness maximum can reach Hv320, more than resistance to neutral salt spray test reaches 370h, and wear resistance: coefficient of wear (WI) < 0.7.
Embodiment 4
1. material is prepared: after Mg-Gd-Y magnesium alloy cutting polishing, polishing, use ultrasonic cleaning oil removing in acetone soln.
2. the configuration of differential arc oxidation: sodium hydroxide 5g/L, water glass 20g/L, all the other are water, temperature is room temperature.Adopt high voltage pulse mode to carry out differential arc oxidation, pulse-repetition is 1000Hz, and current density is 2A/dm
2, oxidization time is 30min, oxide thickness is 17～18 μ m, porosity 30%, aperture 3 ~ 5 μ m.
3. the preparation of modification compound coating:
1) configuration of silane mixture liquid.Silane KH-560 and TEOS be take to ratio that mol ratio is n (KH560): n (TEOS)=2:1 and mix and stir evenly, obtain silane mixture liquid.
2) configuration of hydrolyst.Acetic acid and phytic acid be take to the ratio that mol ratio is n (acetic acid): n (phytic acid)=8:3 and mix, obtain hydrolyst.
3) configuration of solubility promoter.Solubility promoter is selected dehydrated alcohol.
4) configuration of nanoassemble permeate agent.At ambient temperature, after silane mixture liquid, hydrolyst, solubility promoter and deionized water are mixed by following parts by weight, continue to stir, hydrolysis 72h, until after mixed solution clarification, ageing is standby, obtains nanoassemble permeate agent (a liquid).
5) configuration of solidifying agent.Solidifying agent is selected diethylenetriamine, is made into the aqueous solution of 10mol/L, obtains b liquid.
6) configuration of modified paint.First b liquid is added in a liquid, regulating a liquid pH is 6.0 ± 0.2, then at ambient temperature a liquid of adjusted pH value, XGE-401-A aqueous polyurethane coating (Anhui Seagal coating Science and Technology Ltd.) and deionized water are mixed in the ratio of massfraction 0.1:10:2, after stirring 30min fully mixes, after standing 20min froth breaking, obtain modified aqueous paint.
7) use on the magnesium alloy print surface of environment-friendly spray coating technique after differential arc oxidation and prepare water-based compound coating.Spraying parameter is: spray pressure is 2MPa, and spray distance is 20mm, 150 ℃ of bake out temperatures, and drying time 30min, the thickness of coating is 9～10 μ m.
The bonding strength of the Mg alloy surface compound protective coating being obtained by the present embodiment is 35MPa, and surperficial Vickers' hardness maximum can reach Hv350, more than resistance to neutral salt spray test reaches 370h, and wear resistance: coefficient of wear (WI) < 0.7.
Above-described embodiment is the present invention at magnesium alloy matrix surface embodiment preferably; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under spirit of the present invention and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection scope of the present invention.
Claims (11)
1. the preparation method of a magnesium alloy surface micro-arc oxidation nanoassemble compound protective coating, it is characterized in that: first the method is carried out differential arc oxidation to magnesium alloy matrix surface and formed porous ceramic layer, then porous ceramic layer surface spraying modified aqueous paint is formed to aqueous coating, thereby form at magnesium alloy matrix surface the compound protective coating being formed by porous ceramic layer and aqueous coating.
2. the preparation method of compound protective coating according to claim 1, is characterized in that: described differential arc oxidation is that magnesium alloy substrate is put into electrolytic solution, adopts high voltage pulse mode to carry out differential arc oxidation to magnesium alloy substrate; Described electrolytic solution is: sodium hydroxide 2 ~ 10g/L, and water glass 5～20g/L, all the other are water; Pulse-repetition is 100～2000Hz, and current density is 2 ~ 10A/dm
2, the differential arc oxidation time is 30～60min, differential arc oxidation temperature is 10 ~ 50 ℃.
3. the preparation method of compound protective coating according to claim 2, is characterized in that: described porous ceramics layer thickness is 10～25 μ m, and porosity is 20～40%, and aperture is 1 ~ 6 μ m; Porous ceramic layer main component is Magnesium Silicate q-agent.
4. the preparation method of compound protective coating according to claim 1, it is characterized in that: described modified aqueous paint is by 0.1:(10～20 by nanoassemble permeate agent, common water-borne coatings and deionized water): after the part by weight of (1 ~ 5) mixes, stir 20～30min, after standing pin bubble, make.
5. preparation method according to claim 4, is characterized in that: described common water-borne coatings is water soluble acrylic acid, aqueous polyurethane, water-base epoxy, water-based fluorocarbon or water-based metal baking vanish.
6. the preparation method of compound protective coating according to claim 4, is characterized in that: described nanoassemble permeate agent be each component in raw material is miscible after, make after being hydrolyzed 2～3 days under agitation condition; In described raw material, each component is counted by weight, composed as follows:
7. the preparation method of compound protective coating according to claim 6, it is characterized in that: described silane mixture liquid is mixed by γ-glycidyl ether oxygen propyl trimethoxy silicane and tetraethyl orthosilicate, the mol ratio of γ-glycidyl ether oxygen propyl trimethoxy silicane and tetraethyl orthosilicate is (3～5): (0.2～1.5); Described hydrolyst is the mixed solution of acetic acid and phytic acid, and acetic acid and phytic acid mol ratio are (3～8): (1～3); Described solubility promoter is dehydrated alcohol.
8. according to the preparation method of the arbitrary described compound protective coating of claim 4-7, it is characterized in that: before spraying, in the modified aqueous paint of preparation, add the solution of aliphatics amine solidifying agent to regulate its pH value for 5.5-7.
9. the preparation method of compound protective coating according to claim 8, is characterized in that: described aliphatics amine solidifying agent is diethylenetriamine, and the concentration of aliphatics amine curing agent solution is 10mol/L.
10. the preparation method of compound protective coating according to claim 1, it is characterized in that: modified aqueous paint spraying parameter is: spray pressure is 1.5～2.5MPa, spray distance is 20～60mm, 150～180 ℃ of bake out temperatures, drying time 20～30min; Thickness 10～20 μ m of aqueous coating.
11. preparation methods of compound protective coating according to claim 1, is characterized in that: described magnesium alloy is AZ91D, AZ31B, ZM5, ZM6, MB5 or magnesium-rare earth Mg-Gd-Y.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210345501.4A CN103668393B (en) | 2012-09-18 | 2012-09-18 | The preparation method of magnesium alloy surface micro-arc oxidation nanoassemble compound protective coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210345501.4A CN103668393B (en) | 2012-09-18 | 2012-09-18 | The preparation method of magnesium alloy surface micro-arc oxidation nanoassemble compound protective coating |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103668393A true CN103668393A (en) | 2014-03-26 |
| CN103668393B CN103668393B (en) | 2016-01-20 |
Family
ID=50307147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210345501.4A Expired - Fee Related CN103668393B (en) | 2012-09-18 | 2012-09-18 | The preparation method of magnesium alloy surface micro-arc oxidation nanoassemble compound protective coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103668393B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104611751A (en) * | 2015-02-21 | 2015-05-13 | 桂林理工大学 | Micro-arc oxidation self-assembly composite membrane layer on surface of magnesium alloy and preparation method of micro-arc oxidation self-assembly composite membrane layer |
| CN106222647A (en) * | 2016-07-23 | 2016-12-14 | 中信戴卡股份有限公司 | A kind of surface treatment method of Mg alloy |
| CN107815196A (en) * | 2017-09-14 | 2018-03-20 | 广西大学 | A kind of differential arc oxidation composite water soluble fire resistant coating and preparation method thereof |
| CN109337516A (en) * | 2018-10-08 | 2019-02-15 | 中国人民解放军陆军装甲兵学院 | A kind of addition graphene differential arc oxidation epoxy strontium yellow composite coating and preparation method |
| CN109518255A (en) * | 2018-11-22 | 2019-03-26 | 中国科学院金属研究所 | A kind of compound coatings of Mg alloy surface and preparation method thereof |
| CN112620055A (en) * | 2020-12-08 | 2021-04-09 | 成都英诺思科技有限公司 | Hydrochloric acid-resistant soluble bridge plug and preparation method and application thereof |
| CN116515351A (en) * | 2023-04-19 | 2023-08-01 | 中南机诚精密制品(深圳)有限公司 | Preparation method of alloy product and micro-arc oxidation layer added with one paint composite film layer |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2260078C1 (en) * | 2004-05-14 | 2005-09-10 | Государственное образовательное учреждение высшего профессионального образования "Московский государственный институт стали и сплавов" (технологический университет) | Method of making protective coats on surfaces of articles made from magnesium and magnesium-based alloys |
| CN101092694A (en) * | 2007-08-15 | 2007-12-26 | 李克清 | Method for processing surface of magnesium alloy |
| US20100040795A1 (en) * | 2008-08-14 | 2010-02-18 | Shenzhen Futaihong Precision Industry Co., Ltd. | Process for sealing micro pores of micro-arc oxide films |
| US20100112298A1 (en) * | 2008-10-30 | 2010-05-06 | Shenzhen Futaihong Precision Industry Co., Ltd. | Method for making housing and housing thereof |
| CN102011166A (en) * | 2010-10-20 | 2011-04-13 | 安泰科技股份有限公司 | Aluminum-based composite material with ultra-low friction coefficient and preparation method thereof |
| CN102234802A (en) * | 2010-04-21 | 2011-11-09 | 中国科学院金属研究所 | Method for preparing multilayer high corrosion resistant-wear resistant composite protective coating on magnesium alloy surface |
| CN102234803A (en) * | 2010-05-07 | 2011-11-09 | 中国科学院金属研究所 | Preparation method of composite coating on magnesium alloy plasma oxide ceramic surface |
-
2012
- 2012-09-18 CN CN201210345501.4A patent/CN103668393B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2260078C1 (en) * | 2004-05-14 | 2005-09-10 | Государственное образовательное учреждение высшего профессионального образования "Московский государственный институт стали и сплавов" (технологический университет) | Method of making protective coats on surfaces of articles made from magnesium and magnesium-based alloys |
| CN101092694A (en) * | 2007-08-15 | 2007-12-26 | 李克清 | Method for processing surface of magnesium alloy |
| US20100040795A1 (en) * | 2008-08-14 | 2010-02-18 | Shenzhen Futaihong Precision Industry Co., Ltd. | Process for sealing micro pores of micro-arc oxide films |
| US20100112298A1 (en) * | 2008-10-30 | 2010-05-06 | Shenzhen Futaihong Precision Industry Co., Ltd. | Method for making housing and housing thereof |
| CN102234802A (en) * | 2010-04-21 | 2011-11-09 | 中国科学院金属研究所 | Method for preparing multilayer high corrosion resistant-wear resistant composite protective coating on magnesium alloy surface |
| CN102234803A (en) * | 2010-05-07 | 2011-11-09 | 中国科学院金属研究所 | Preparation method of composite coating on magnesium alloy plasma oxide ceramic surface |
| CN102011166A (en) * | 2010-10-20 | 2011-04-13 | 安泰科技股份有限公司 | Aluminum-based composite material with ultra-low friction coefficient and preparation method thereof |
Non-Patent Citations (4)
| Title |
|---|
| 张亚军等: "镁合金微弧氧化/空气喷涂复合膜层的耐盐雾腐蚀性能", 《材料保护》 * |
| 张慧霞等: "用优化的Na2SiO3电解液制备的镁合金陶瓷膜的防护性能", 《腐蚀科学与防护技术》 * |
| 张永君等: "镁及镁合金阳极氧化工艺综述", 《材料保护》 * |
| 王艳秋等: "SiCw/AZ91镁基复合材料的微弧氧化行为及涂层的耐腐蚀性能", 《金属学报》 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104611751A (en) * | 2015-02-21 | 2015-05-13 | 桂林理工大学 | Micro-arc oxidation self-assembly composite membrane layer on surface of magnesium alloy and preparation method of micro-arc oxidation self-assembly composite membrane layer |
| CN106222647A (en) * | 2016-07-23 | 2016-12-14 | 中信戴卡股份有限公司 | A kind of surface treatment method of Mg alloy |
| CN107815196A (en) * | 2017-09-14 | 2018-03-20 | 广西大学 | A kind of differential arc oxidation composite water soluble fire resistant coating and preparation method thereof |
| CN107815196B (en) * | 2017-09-14 | 2019-09-06 | 广西大学 | A kind of differential arc oxidation composite water soluble fire resistant coating and preparation method thereof |
| CN109337516A (en) * | 2018-10-08 | 2019-02-15 | 中国人民解放军陆军装甲兵学院 | A kind of addition graphene differential arc oxidation epoxy strontium yellow composite coating and preparation method |
| CN109518255A (en) * | 2018-11-22 | 2019-03-26 | 中国科学院金属研究所 | A kind of compound coatings of Mg alloy surface and preparation method thereof |
| CN109518255B (en) * | 2018-11-22 | 2020-10-30 | 中国科学院金属研究所 | Magnesium alloy surface composite self-repairing coating and preparation method thereof |
| CN112620055A (en) * | 2020-12-08 | 2021-04-09 | 成都英诺思科技有限公司 | Hydrochloric acid-resistant soluble bridge plug and preparation method and application thereof |
| CN116515351A (en) * | 2023-04-19 | 2023-08-01 | 中南机诚精密制品(深圳)有限公司 | Preparation method of alloy product and micro-arc oxidation layer added with one paint composite film layer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103668393B (en) | 2016-01-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103668393B (en) | The preparation method of magnesium alloy surface micro-arc oxidation nanoassemble compound protective coating | |
| CN104141138A (en) | Preparation method of micro-arc oxidation-composite chemical nickel plating coating layer on surface of magnesium alloy | |
| CN102808210B (en) | Micro-arc oxidation surface treatment method and product prepared by same | |
| Liu et al. | Corrosion protection of silane coatings modified by carbon nanotubes on stainless steel | |
| CN102703892A (en) | Microarc-oxidized coating silylation fluid and hole sealing method thereby | |
| CN104651908A (en) | Preparation method and hole sealing method of magnesium alloy surface ceramic coating | |
| CN101942689A (en) | Micro-arc oxidation treatment method of magnesium alloy | |
| CN108997889A (en) | A kind of ocean naval vessel graphene heavy antisepsis priming paint and preparation method thereof | |
| CN102604509A (en) | Nanofiber heavy-duty anti-corrosive coating, preparation method and spraying method of nanofiber heavy-duty anti-corrosive coating | |
| CN104629510B (en) | The coating peeled off the preparation method of boron nitride anticorrosive paint and its obtain, the application of coating | |
| CN105648503B (en) | A kind of preparation method of magnet surface high durable high corrosion-resistance wear-resistance organic coating | |
| CN104559669A (en) | Organic graphene anticorrosive paint applied to marine ship | |
| CN105177561A (en) | Aluminum or aluminum alloy protection chromium-free passivation solution, preparation method and aluminum or aluminum alloy surface protection method thereof | |
| CN106128744B (en) | A kind of Sintered NdFeB magnet surface temporary protection organic coating and preparation method | |
| CN110938372A (en) | Graphene anti-corrosion water-based paint for magnesium alloy and preparation method and application thereof | |
| CN103695905B (en) | A kind of method preparing composite nickel coating on magnesium alloy differential arc oxidation film surface | |
| CN102605405A (en) | Anodization method for improving protection performance of aluminum and aluminum alloy | |
| CN103086743B (en) | Nano self-assembly penetrant for magnesium alloy service and preparation method and application thereof | |
| CN115678384A (en) | Water-based resin coating composition and preparation method thereof | |
| CN115651485A (en) | Water-based paint composition | |
| CN109233562A (en) | A kind of anticorrosive coating for metal surface | |
| CN107815218A (en) | A kind of method for preparing polymolecularity graphene anticorrosive paint | |
| CN108165965B (en) | A kind of preparation method of magnesium alloy anticorrosion composite membrane | |
| CN1234792C (en) | Nano environmental protection liquid aluminium foil and its preparation method and use method | |
| CN115595050A (en) | Water-based heat-insulating coating for buildings and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20160918 |