CN111647925A - Micro-arc oxidation antifriction composite coating on aluminum alloy surface and preparation method thereof - Google Patents
Micro-arc oxidation antifriction composite coating on aluminum alloy surface and preparation method thereof Download PDFInfo
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- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/026—Anodisation with spark discharge
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/0623—Sulfides, selenides or tellurides
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/34—Sputtering
- C23C14/35—Sputtering by application of a magnetic field, e.g. magnetron sputtering
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/04—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings of inorganic non-metallic material
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/06—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used
Abstract
The invention discloses an aluminum alloy surface micro-arc oxidation antifriction composite coating and a preparation method thereof, wherein the aluminum alloy surface micro-arc oxidation antifriction composite coating structure comprises an aluminum alloy micro-arc oxidation ceramic layer and magnetron sputtering MoS2The antifriction function layer is prepared by firstly immersing the aluminum alloy into silicate electrolyte for micro-arc oxidation treatment to prepare a porous ceramic layer, and then depositing self-lubricating MoS on the porous ceramic layer by using magnetron sputtering technology2And (4) coating. The method is characterized in that the micro-arc oxidation technology and the magnetron sputtering technology are combined, and the magnetron sputtering technology is used for depositing MoS on the surface of the aluminum alloy micro-arc oxidation ceramic layer2On one hand, the micro-pits of the micro-arc oxide layer can be in the shape of a magnetron sputtering layerThe mechanical locking function is formed, and the adhesion of the coating is favorably improved; on the other hand, the micro-pits can be used as MoS2A reservoir of lubricant to provide a long-lasting effective anti-friction effect for the coating; the composite coating prepared by the invention has good binding force, can effectively overcome the limitation of a single coating, and obviously improves the tribological performance of the coating.
Description
Technical Field
The invention belongs to the technical field of advanced functional coating preparation, and particularly relates to a micro-arc oxidation antifriction composite coating on an aluminum alloy surface and a preparation method thereof.
Background
The aluminum alloy has the characteristics of low density, high specific strength, good corrosion resistance, easy processing and the like, is an excellent lightweight structural material, and has great application prospect in important fields of automobile parts, aerospace and the like. However, the low hardness of the aluminum alloy results in poor surface wear resistance under heavy contact stress, thereby restricting its application.
The micro-arc oxidation is a novel surface treatment technology developed on the basis of the traditional anodic oxidation technology, and the micro-arc oxidation enables the surface of a workpiece to grow a ceramic coating which takes matrix element oxide as a main component and is assisted with electrolyte components and has ultrahigh hardness on the surface of valve metal in situ by the instantaneous high-temperature and high-pressure action generated by micro-arc light discharge in the electrolyte through the matching adjustment of the electrolyte and electrical parameters, so that the surface wear resistance of a matrix material is obviously improved, and the micro-arc oxidation is a very ideal surface strengthening method for aluminum alloy.
However, in the micro-arc oxidation process, the inherent defects of micropores, microcracks and the like are generated in the coating due to gas precipitation and rapid solidification of the molten oxide, so that the friction coefficient of a friction pair under a dry sliding condition is high, the two problems of serious abrasion to the grinding material and the like are caused, and the application of the two problems is limited.
Disclosure of Invention
The invention aims to reduce the friction coefficient of an aluminum alloy micro-arc oxidation ceramic coating and improve the wear resistance of the aluminum alloy micro-arc oxidation ceramic coating, and provides a preparation method of an aluminum alloy surface micro-arc oxidation-magnetron sputtering aluminum alloy surface micro-arc oxidation antifriction composite coating.
The technical scheme of the invention is as follows: micro-arc oxidation antifriction composite coating on surface of aluminum alloy, and aluminum alloyThe gold surface micro-arc oxidation antifriction composite coating structure comprises an aluminum alloy micro-arc oxidation ceramic layer and magnetron sputtering MoS2An anti-friction functional layer; firstly, the aluminum alloy is immersed into silicate electrolyte for micro-arc oxidation treatment to prepare a porous ceramic layer, and then self-lubricating MoS is deposited on the porous ceramic layer by using magnetron sputtering technology2And (4) coating.
A preparation method of a micro-arc oxidation antifriction composite coating on the surface of an aluminum alloy comprises the following steps:
(1) preparing an electrolyte, wherein the electrolyte formula is as follows: 10-20 g/L sodium silicate (NaSiO)3·9H2O), 1-3 g/L sodium hydroxide (NaOH), 3-6 g/L sodium hexametaphosphate (NaPO)3)6Uniformly stirring the mixture by using a glass rod and ultrasonically vibrating the mixture for 1 to 5 min;
(2) and (2) carrying out micro-arc oxidation treatment on the aluminum alloy with the clean surface by using the electrolyte prepared in the step (1) to prepare a ceramic layer, wherein the micro-arc oxidation electrical parameters are as follows: the frequency is 400-700 Hz, the duty ratio is 10-30%, the voltage is 300-500V, and the processing time is 20-60 min;
(3) placing the aluminum alloy coated with the ceramic layer on the surface after the micro-arc oxidation treatment in the step (2) into absolute ethyl alcohol for ultrasonic cleaning for 1-10 min, and clamping the aluminum alloy on a planet carrier in a cavity of magnetron sputtering equipment after being dried by hot air;
(4) plasma cleaning is carried out on the surface of the aluminum alloy coated with the ceramic layer, and the cavity of the magnetron sputtering equipment is pumped to the vacuum degree of 5-7 × 10-2Introducing high-purity argon after Pa, setting the flow of the argon at 200-300 sccm, the bias voltage of the matrix at-500-800V, and the cleaning time at 10-30 min;
(5) MoS is deposited on aluminum alloy with ceramic layer coated on surface through magnetron sputtering2An anti-friction functional layer;
(6) and after the film coating is finished, starting a circulating cooling water system, and taking out the workpiece after the workpiece is cooled to below 80 ℃.
Preferably, the composition concentration of the electrolyte in the step (1) is as follows: 15g/L sodium silicate (NaSiO)3·9H2O), 2g/L sodium hydroxide (NaOH), 5g/L sodium hexametaphosphate (NaPO)3)6。
Preferably, the electrical parameters in step (2) are: the frequency is 500Hz, the duty cycle is 30%, the voltage is 470V, and the processing time is 30 min.
Preferably, the target material adopted in the magnetron sputtering deposition in the step (5) is MoS with the purity of 99.95%2The sputtering gas is high-purity argon gas with the purity of 99.99 percent, the deposition process adopts air pressure control, the air pressure is maintained at 0.8-1.2 Pa, the bias voltage of a matrix is-30-70V, the target current is 0.5-2A, and the coating time is 1-5 h.
Preferably, the aluminum alloy is 6063 aluminum alloy, and the element components of the aluminum alloy are Si 0.20-0.60%, Fe0.35%, Cu 0.10%, Mn 0.10%, Mg 0.45-0.90%, Cr 0.10%, Zn 0.10%, Ti 0.10% and the balance of Al.
The invention has the beneficial effects that: the method is characterized in that the micro-arc oxidation technology and the magnetron sputtering technology are combined, and the magnetron sputtering technology is used for depositing MoS on the surface of the aluminum alloy micro-arc oxidation ceramic layer2On one hand, the micro-pits of the micro-arc oxidation layer can form a mechanical locking effect with the magnetron sputtering layer, so that the adhesion of the coating is improved; on the other hand, the micro-pits can be used as MoS2A reservoir of lubricant to provide a long-lasting effective anti-friction effect for the coating; the composite coating prepared by the invention has good binding force, can effectively overcome the limitation of a single coating, and obviously improves the tribological performance of the coating.
Drawings
FIG. 1 is SEM surface morphology images of micro-arc oxidation antifriction composite coatings (b, d, f) on the surfaces of aluminum alloy surfaces prepared in examples 1, 2 and 3 and micro-arc oxidation single coatings (a, c and e) in examples 1, 2 and 3.
FIG. 2 is the surface EDS energy spectrum of the micro-arc oxidation antifriction composite coating of the aluminum alloy surface prepared in example 1.
FIG. 3 is a graph showing the change of friction coefficient with time of a micro-arc oxidation single coating and a micro-arc oxidation antifriction composite coating on the surface of the aluminum alloy prepared by the invention.
Detailed Description
The present invention will be further described with reference to the following examples and accompanying drawings, but the present invention is not limited to the scope of protection and application.
Example 1
A preparation method of a micro-arc oxidation antifriction composite coating on the surface of an aluminum alloy comprises the following steps:
the matrix material used in the experiment is block (15 multiplied by 3mm)6063 aluminum alloy, and the element components (mass fraction) of the matrix material are 0.20 to 0.60 percent of Si, 0.35 percent of Fe, 0.10 percent of Cu, 0.10 percent of Mn, 0.45 to 0.90 percent of Mg, 0.10 percent of Cr, 0.10 percent of Zn, 0.10 percent of Ti and the balance of Al. And (3) polishing the aluminum alloy base material by using sand paper of 400#, 600#, 1000# and 1500# respectively, ultrasonically cleaning the aluminum alloy base material for 3min by using absolute ethyl alcohol, and drying the aluminum alloy base material for later use.
1) Preparing an electrolyte, wherein the electrolyte formula is as follows: 15g/L sodium silicate (NaSiO)3·9H2O), 2g/L sodium hydroxide (NaOH), 5g/L sodium hexametaphosphate (NaPO)3)6Stirring with a glass rod and ultrasonically vibrating for 3 min;
2) using the electrolyte prepared in the step 1) to perform micro-arc oxidation treatment on the aluminum alloy with a clean surface to prepare a ceramic layer, wherein the micro-arc oxidation electrical parameters are as follows: the frequency is 500Hz, the duty cycle is 30%, the voltage is 470V, and the processing time is 30 min;
3) placing the aluminum alloy coated with the ceramic layer on the surface after the micro-arc oxidation treatment in the step 2) into absolute ethyl alcohol for ultrasonic cleaning for 5min, and clamping the aluminum alloy on a planet carrier in a cavity of magnetron sputtering equipment after being dried by hot air;
4) plasma cleaning the aluminum alloy surface coated with the ceramic layer by pumping the cavity of the magnetron sputtering equipment to the vacuum degree of 6 × 10-2Introducing high-purity argon after Pa, setting the flow of the argon at 260sccm, the bias voltage of the matrix at-600V, and the cleaning time at 20 min;
5) MoS is deposited on aluminum alloy with ceramic layer coated on surface through magnetron sputtering2An antifriction functional layer: the target material is MoS with the purity of 99.95 percent2The sputtering gas is high-purity argon gas with the purity of 99.99 percent, the deposition process adopts air pressure control, the air pressure is maintained at 1Pa, the substrate bias voltage is minus 50V, the target current is 1A, and the coating time is 3 hours.
Example 2
A preparation method of a micro-arc oxidation antifriction composite coating on the surface of an aluminum alloy comprises the following steps:
the matrix material used in the experiment is block (15 multiplied by 3mm)6063 aluminum alloy, and the element components (mass fraction) of the matrix material are 0.20 to 0.60 percent of Si, 0.35 percent of Fe, 0.10 percent of Cu, 0.10 percent of Mn, 0.45 to 0.90 percent of Mg, 0.10 percent of Cr, 0.10 percent of Zn, 0.10 percent of Ti and the balance of Al. And (3) polishing the aluminum alloy base material by using sand paper of 400#, 600#, 1000# and 1500# respectively, ultrasonically cleaning the aluminum alloy base material for 3min by using absolute ethyl alcohol, and drying the aluminum alloy base material for later use.
1) Preparing an electrolyte, wherein the electrolyte formula is as follows: 15g/L sodium silicate (NaSiO)3·9H2O), 2g/L sodium hydroxide (NaOH), 5g/L sodium hexametaphosphate (NaPO)3)6Stirring with a glass rod and ultrasonically vibrating for 3 min;
2) using the electrolyte prepared in the step 1) to perform micro-arc oxidation treatment on the aluminum alloy with a clean surface to prepare a ceramic layer, wherein the micro-arc oxidation electrical parameters are as follows: the frequency is 500Hz, the duty ratio is 20%, the voltage is 450V, and the processing time is 30 min;
3) placing the aluminum alloy coated with the ceramic layer on the surface after the micro-arc oxidation treatment in the step 2) into absolute ethyl alcohol for ultrasonic cleaning for 5min, and clamping the aluminum alloy on a planet carrier in a cavity of magnetron sputtering equipment after being dried by hot air;
4) plasma cleaning the aluminum alloy surface coated with the ceramic layer by pumping the cavity of the magnetron sputtering equipment to the vacuum degree of 6 × 10-2Introducing high-purity argon after Pa, setting the flow of the argon at 260sccm, the bias voltage of the matrix at-700V, and the cleaning time at 20 min;
5) MoS is deposited on aluminum alloy with ceramic layer coated on surface through magnetron sputtering2An antifriction functional layer: the target material is MoS with the purity of 99.95 percent2The sputtering gas is high-purity argon gas with the purity of 99.99 percent, the deposition process adopts air pressure control, the air pressure is maintained at 1Pa, the substrate bias voltage is minus 50V, the target current is 1A, and the coating time is 2 hours.
Example 3
A preparation method of a micro-arc oxidation antifriction composite coating on the surface of an aluminum alloy comprises the following steps:
the matrix material used in the experiment is block (15 multiplied by 3mm)6063 aluminum alloy, and the element components (mass fraction) of the matrix material are 0.20 to 0.60 percent of Si, 0.35 percent of Fe, 0.10 percent of Cu, 0.10 percent of Mn, 0.45 to 0.90 percent of Mg, 0.10 percent of Cr, 0.10 percent of Zn, 0.10 percent of Ti and the balance of Al. And (3) polishing the aluminum alloy base material by using sand paper of 400#, 600#, 1000# and 1500# respectively, ultrasonically cleaning the aluminum alloy base material for 3min by using absolute ethyl alcohol, and drying the aluminum alloy base material for later use.
1) Preparing an electrolyte, wherein the electrolyte formula is as follows: 15g/L sodium silicate (NaSiO)3·9H2O), 2g/L sodium hydroxide (NaOH), 5g/L sodium hexametaphosphate (NaPO)3)6Stirring with a glass rod and ultrasonically vibrating for 3 min;
2) using the electrolyte prepared in the step 1) to perform micro-arc oxidation treatment on the aluminum alloy with a clean surface to prepare a ceramic layer, wherein the micro-arc oxidation electrical parameters are as follows: the frequency is 600Hz, the duty cycle is 10%, the voltage is 430V, and the processing time is 30 min;
3) placing the aluminum alloy coated with the ceramic layer on the surface after the micro-arc oxidation treatment in the step 2) into absolute ethyl alcohol for ultrasonic cleaning for 5min, and clamping the aluminum alloy on a planet carrier in a cavity of magnetron sputtering equipment after being dried by hot air;
4) plasma cleaning the aluminum alloy surface coated with the ceramic layer by pumping the cavity of the magnetron sputtering equipment to the vacuum degree of 6 × 10-2Introducing high-purity argon after Pa, setting the flow of the argon at 260sccm, the bias voltage of the matrix at-800V, and the cleaning time at 20 min;
5) MoS is deposited on aluminum alloy with ceramic layer coated on surface through magnetron sputtering2An antifriction functional layer: the target material is MoS with the purity of 99.95 percent2The sputtering gas is high-purity argon gas with the purity of 99.99 percent, the deposition process adopts air pressure control, the air pressure is maintained at 1Pa, the substrate bias voltage is minus 50V, the target current is 1A, and the coating time is 1 h.
The surface morphology analysis shows that as shown in fig. 1, the number and the pore diameter of the micropores on the surface of the sample of the micro-arc oxidation antifriction composite coating on the surface of the aluminum alloy prepared by the invention are obviously reduced compared with the micro-arc oxidation single coating of the aluminum alloy.
Surface composition analysis, as shown in fig. 2, the sample surface of the micro-arc oxidation antifriction composite coating on the surface of the aluminum alloy prepared by the invention is mostly molybdenum and sulfur, and the magnetron sputtering coating is uniform and complete.
The tribology performance analysis shows that as shown in fig. 3, the friction coefficient of the micro-arc oxidation antifriction composite coating on the surface of the aluminum alloy prepared by the invention is obviously reduced compared with that of the micro-arc oxidation single coating.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or simple substitutions which are not thought of through the inventive work should be included in the scope of the present invention.
Claims (6)
1. The micro-arc oxidation antifriction composite coating on the surface of the aluminum alloy is characterized in that: the aluminum alloy surface micro-arc oxidation antifriction composite coating structure comprises an aluminum alloy micro-arc oxidation ceramic layer and magnetron sputtering MoS2An anti-friction functional layer; firstly, the aluminum alloy is immersed into silicate electrolyte for micro-arc oxidation treatment to prepare a porous ceramic layer, and then self-lubricating MoS is deposited on the porous ceramic layer by using magnetron sputtering technology2And (4) coating.
2. The preparation method of the micro-arc oxidation antifriction composite coating on the surface of the aluminum alloy according to the claim 1, which is characterized by comprising the following steps:
(1) preparing an electrolyte, wherein the electrolyte formula comprises: mixing 10-20 g/L sodium silicate, 1-3 g/L sodium hydroxide and 3-6 g/L sodium hexametaphosphate uniformly by using a glass rod and ultrasonically oscillating for 1-5 min;
(2) and (2) carrying out micro-arc oxidation treatment on the aluminum alloy with the clean surface by using the electrolyte prepared in the step (1) to prepare a ceramic layer, wherein the micro-arc oxidation electrical parameters are as follows: the frequency is 400-700 Hz, the duty ratio is 10-30%, the voltage is 300-500V, and the processing time is 20-60 min;
(3) placing the aluminum alloy coated with the ceramic layer on the surface after the micro-arc oxidation treatment in the step (2) into absolute ethyl alcohol for ultrasonic cleaning for 1-10 min, and clamping the aluminum alloy on a planet carrier in a cavity of magnetron sputtering equipment after being dried by hot air;
(4) plasma cleaning is carried out on the surface of the aluminum alloy coated with the ceramic layer, and the cavity of the magnetron sputtering equipment is pumped to the vacuum degree of 5-7 × 10-2Introducing high-purity argon after Pa, setting the flow of the argon at 200-300 sccm, the bias voltage of the matrix at-500-800V, and the cleaning time at 10-30 min;
(5) on the aluminium alloy with ceramic layer on the surfaceMagnetron sputtering deposition of MoS2An anti-friction functional layer;
(6) and after the film coating is finished, starting a circulating cooling water system, and taking out the workpiece after the workpiece is cooled to below 80 ℃.
3. The preparation method of the micro-arc oxidation antifriction composite coating on the surface of the aluminum alloy according to claim 2, characterized in that: the electrolyte in the step (1) comprises the following components: 15g/L sodium silicate, 2g/L sodium hydroxide and 5g/L sodium hexametaphosphate.
4. The preparation method of the micro-arc oxidation antifriction composite coating on the surface of the aluminum alloy according to claim 2, characterized in that: the electrical parameters in the step (2) are as follows: the frequency is 500Hz, the duty cycle is 30%, the voltage is 470V, and the processing time is 30 min.
5. The preparation method of the micro-arc oxidation antifriction composite coating on the surface of the aluminum alloy according to claim 2, characterized in that: the MoS with the purity of 99.95 percent is adopted as the target material in the magnetron sputtering deposition in the step (5)2The sputtering gas is high-purity argon gas with the purity of 99.99 percent, the deposition process adopts air pressure control, the air pressure is maintained at 0.8-1.2 Pa, the bias voltage of a matrix is-30-70V, the target current is 0.5-2A, and the coating time is 1-5 h.
6. The preparation method of the micro-arc oxidation antifriction composite coating on the surface of the aluminum alloy according to claim 2, characterized in that: the aluminum alloy is 6063 aluminum alloy, and the element components of the aluminum alloy are Si 0.20-0.60%, Fe 0.35%, Cu 0.10%, Mn0.10%, Mg 0.45-0.90%, Cr 0.10%, Zn 0.10%, Ti 0.10% and the balance of Al.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112226768A (en) * | 2020-10-13 | 2021-01-15 | 辽宁科技大学 | Composite preparation method of micro-arc oxidation CrAlN coating |
| CN113981502A (en) * | 2021-10-29 | 2022-01-28 | 大连海事大学 | Aluminum alloy surface corrosion-resistant antifriction composite coating and preparation method thereof |
| CN114318467A (en) * | 2022-01-17 | 2022-04-12 | 西安工业大学 | Titanium alloy wear-resistant and antibacterial composite coating suitable for marine environment and preparation method thereof |
| CN114540915A (en) * | 2022-03-18 | 2022-05-27 | 太仓力山机械设备有限公司 | Wear-resistant and corrosion-resistant surface treatment process for aluminum alloy pulley seat of industrial heat-preservation sliding door |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102304739A (en) * | 2011-09-19 | 2012-01-04 | 北京科技大学 | Micro-arc oxidation preparation method of high wear resistant and corrosion resistant self-lubricating ceramic layer and electrolyte thereof |
| CN103233227A (en) * | 2013-05-16 | 2013-08-07 | 桂林电子科技大学 | Preparation method of composite ceramic layer with conductive property |
| CN106811784A (en) * | 2017-01-23 | 2017-06-09 | 西安理工大学 | A kind of preparation method of differential arc oxidation tungsten disulfide self-lubricating composite ceramic layer |
-
2020
- 2020-07-02 CN CN202010632874.4A patent/CN111647925A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102304739A (en) * | 2011-09-19 | 2012-01-04 | 北京科技大学 | Micro-arc oxidation preparation method of high wear resistant and corrosion resistant self-lubricating ceramic layer and electrolyte thereof |
| CN103233227A (en) * | 2013-05-16 | 2013-08-07 | 桂林电子科技大学 | Preparation method of composite ceramic layer with conductive property |
| CN106811784A (en) * | 2017-01-23 | 2017-06-09 | 西安理工大学 | A kind of preparation method of differential arc oxidation tungsten disulfide self-lubricating composite ceramic layer |
Non-Patent Citations (4)
| Title |
|---|
| LV, XIAOYU等: ""Tribological properties of MAO/MoS2 self-lubricating composite coating by microarc oxidation and hydrothermal reaction"", 《SURFACE & COATINGS TECHNOLOGY》 * |
| 付俊: ""铝合金自润滑复合膜的制备与摩擦学性能研究"", 《中国优秀硕士学位论文全文数据库 工程科技I辑》 * |
| 孙文峰 等: ""微弧氧化一步法制备含二硫化钼复合涂层的研究"", 《热加工工艺》 * |
| 李忠建 等: ""铝合金不同氧化处理工艺对其表面溅射MoS2膜层耐磨性的影响"", 《表面技术》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112226768A (en) * | 2020-10-13 | 2021-01-15 | 辽宁科技大学 | Composite preparation method of micro-arc oxidation CrAlN coating |
| CN113981502A (en) * | 2021-10-29 | 2022-01-28 | 大连海事大学 | Aluminum alloy surface corrosion-resistant antifriction composite coating and preparation method thereof |
| CN114318467A (en) * | 2022-01-17 | 2022-04-12 | 西安工业大学 | Titanium alloy wear-resistant and antibacterial composite coating suitable for marine environment and preparation method thereof |
| CN114318467B (en) * | 2022-01-17 | 2023-09-12 | 西安工业大学 | Wear-resistant and antibacterial composite coating for titanium alloy in marine environment and preparation method thereof |
| CN114540915A (en) * | 2022-03-18 | 2022-05-27 | 太仓力山机械设备有限公司 | Wear-resistant and corrosion-resistant surface treatment process for aluminum alloy pulley seat of industrial heat-preservation sliding door |
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