CN104404596A - Abrasion-resistant aluminum alloy - Google Patents
Abrasion-resistant aluminum alloy Download PDFInfo
- Publication number
- CN104404596A CN104404596A CN201410774197.4A CN201410774197A CN104404596A CN 104404596 A CN104404596 A CN 104404596A CN 201410774197 A CN201410774197 A CN 201410774197A CN 104404596 A CN104404596 A CN 104404596A
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- CN
- China
- Prior art keywords
- aluminum alloy
- wear
- aluminium alloy
- resistant type
- type aluminium
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Classifications
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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 abrasion-resistant aluminum alloy. A ceramic film is formed on the surface of the aluminum alloy through a plasma electrolytic deposition process; the plasma electrolytic deposition process is that an aluminum alloy blank is soaked in specially-made electrolyte to serve as an anode; an insoluble metal material serves as a cathode; deposition treatment is performed after a pulse power supply is switched on; the electrolyte is a mixed solution of sodium dihydrogen phosphate, sodium aluminate and sodium silicate according to the mass percentage ratio of (60%-70%):(20%-25%):(15%-20%). The abrasion-resistant aluminum alloy disclosed by the invention is simple in preparation process, easy to implement, and moderate in cost; high comprehensive performance can be obtained; the texture is light, and the strength and the abrasion performance are outstanding; the abrasion-resistant aluminum alloy is suitable for being manufactured into important components of an engine and the like.
Description
Technical field
The present invention relates to a kind of aluminium alloy, particularly relate to the exsertile novel aluminum alloy of a kind of wear resistance, belong to technical field of metal.
Background technology
The lightweight of the engineering goods such as automobile, motorcycle is a very important development trend.Engineering goods are whole or the material of certain part changes the little aluminium alloy of density into by the iron and steel that density is large, can greatly alleviate its quality.For example, the quality of motor car engine accounts for very large proportion in body quality, after changing engine into aluminum alloy materials, effectively can reduce light weight by original cast iron materials, reduces energy consumption.But because the wear resistance of aluminum alloy materials is poor, and the wearing and tearing of the part of engine cylinder inwall and piston contact are comparatively serious, therefore, must process aluminium alloy engine.
In traditional technology, be increase by a Cast iron liner in the cylinder interior of aluminium alloy engine, contact with Cast iron liner during piston motion, the wearing and tearing of aluminium alloy engine cylinder can be avoided.But this method complex process, turn increases the quality of aluminium alloy engine cylinder simultaneously.In current technology, normally adopt process for treating surface at the surface attachment wearing layer of Al alloy parts, wearing layer can be metal or stupalith, and wearing layer effectively can improve the wear resistance of Al alloy parts, therefore, is subject to extensive attention both domestic and external.But the over-all properties of existing aluminum alloy surface coating is perfect not enough, particularly the performance of the aspect such as surface quality, intensity and wear resistance can't be taken into account, and needs to be improved further.
Summary of the invention
For the demand, the invention provides a kind of wear-resistant type aluminium alloy, this aluminum alloy is easy for implementation Process, high comprehensive performance, can take into account the performance of the aspect such as intensity and wear resistance.
The present invention is a kind of wear-resistant type aluminium alloy, this aluminum alloy surface forms a ceramic membrane by plasma electrodeposition process, described plasma electrodeposition process is immersed in by aluminum alloy blank in special electrolytic solution, and as anode, insoluble petal material is as negative electrode, the depositing treatment of carrying out after pulse current source, described electrolytic solution is the mixing solutions of SODIUM PHOSPHATE, MONOBASIC, sodium aluminate and water glass, and its mass percent is: 60%-70%:20%-25%:15%-20%.
In a preferred embodiment of the present invention, in described electrolytic solution, the mass percent of each composition is: SODIUM PHOSPHATE, MONOBASIC 63%-65%: sodium aluminate 20%-22%: water glass 15%-17%.
In a preferred embodiment of the present invention, described negative electrode can select stainless steel bar or nickel rod.
In a preferred embodiment of the present invention, the described pulse power adopts Double closed-loop of voltage and current, and output voltage is 50-500V, and frequency is 20-2000Hz, and maximum mean current is 200-220A.
In a preferred embodiment of the present invention, the treatment time of described plasma electrodeposition process is about 30-40 minute, and electrolyte temperature controls at 30 DEG C-35 DEG C.
In a preferred embodiment of the present invention, the molding thickness of described ceramic membrane is about 3-5um.
Present invention is disclosed a kind of wear-resistant type aluminium alloy, this preparation process of aluminium alloy is easy, easy to implement, and moderate cost, can obtain good over-all properties, and quality slim and graceful and intensity and wear resisting property are given prominence to, and are applicable to making the important spare parts such as engine.
Embodiment
Below preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
In the wear-resistant type aluminium alloy that the present invention that the present invention mentions mentions, this aluminum alloy surface forms a ceramic membrane by plasma electrodeposition process, described plasma electrodeposition process is immersed in by aluminum alloy blank in special electrolytic solution, and as anode, insoluble petal material is as negative electrode, the depositing treatment of carrying out after pulse current source, described electrolytic solution is the mixing solutions of SODIUM PHOSPHATE, MONOBASIC, sodium aluminate and water glass, and its mass percent is: 60%-70%:20%-25%:15%-20%.
Further illustrate, in this electrolytic solution, the mass percent of each composition is: SODIUM PHOSPHATE, MONOBASIC 63%-65%: sodium aluminate 20%-22%: water glass 15%-17%; Negative electrode can select stainless steel bar or nickel rod; The pulse power adopts Double closed-loop of voltage and current, and output voltage is 50-500V, and frequency is 20-2000Hz, and maximum mean current is 200-220A.
Plasma electrodeposition process must carry out oil removing and water-washing pre-treatment to aluminum alloy blank, to improve in the attachment of ceramic membrane before implementing; In deposition process, electrolyte temperature controls at 30 DEG C-35 DEG C, and the treatment time is about 30-40 minute, and period constantly need stir electrolytic solution, to improve the well-balanced property of ceramic membrane; By above-mentioned technique, the molding thickness of ceramic membrane is about 3-5um; After film forming, also need to carry out closing, painting and polished finish, to improve the ornamental of ceramic membrane.
Present invention is disclosed a kind of wear-resistant type aluminium alloy, be characterized in: this preparation process of aluminium alloy is easy, easy to implement, and moderate cost, can obtain good over-all properties, quality slim and graceful and intensity and wear resisting property are given prominence to, and are applicable to making the important spare parts such as engine.
The above; be only the specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; any those of ordinary skill in the art are in the technical scope disclosed by the present invention; the change can expected without creative work or replacement, all should be encompassed within protection scope of the present invention.Therefore, the protection domain that protection scope of the present invention should limit with claims is as the criterion.
Claims (6)
1. a wear-resistant type aluminium alloy, it is characterized in that, this aluminum alloy surface forms a ceramic membrane by plasma electrodeposition process, described plasma electrodeposition process is immersed in by aluminum alloy blank in special electrolytic solution, and as anode, insoluble petal material as negative electrode, the depositing treatment of carrying out after pulse current source, described electrolytic solution is the mixing solutions of SODIUM PHOSPHATE, MONOBASIC, sodium aluminate and water glass, and its mass percent is: 60%-70%:20%-25%:15%-20%.
2. wear-resistant type aluminium alloy according to claim 1, is characterized in that, in described electrolytic solution, the mass percent of each composition is: SODIUM PHOSPHATE, MONOBASIC 63%-65%: sodium aluminate 20%-22%: water glass 15%-17%.
3. wear-resistant type aluminium alloy according to claim 1, is characterized in that, described negative electrode can select stainless steel bar or nickel rod.
4. wear-resistant type aluminium alloy according to claim 1, is characterized in that, the described pulse power adopts Double closed-loop of voltage and current, and output voltage is 50-500V, and frequency is 20-2000Hz, and maximum mean current is 200-220A.
5. wear-resistant type aluminium alloy according to claim 1, is characterized in that, the treatment time of described plasma electrodeposition process is about 30-40 minute, and electrolyte temperature controls at 30 DEG C-35 DEG C.
6. wear-resistant type aluminium alloy according to claim 1, is characterized in that, the molding thickness of described ceramic membrane is about 3-5um.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410774197.4A CN104404596A (en) | 2014-12-16 | 2014-12-16 | Abrasion-resistant aluminum alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410774197.4A CN104404596A (en) | 2014-12-16 | 2014-12-16 | Abrasion-resistant aluminum alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104404596A true CN104404596A (en) | 2015-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410774197.4A Pending CN104404596A (en) | 2014-12-16 | 2014-12-16 | Abrasion-resistant aluminum alloy |
Country Status (1)
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| CN (1) | CN104404596A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2215167A (en) * | 1937-03-30 | 1940-09-17 | Crosse & Blackwell Ltd | Process of protecting metal surfaces by electrodeposition |
| CN101608332A (en) * | 2008-06-19 | 2009-12-23 | 深圳富泰宏精密工业有限公司 | Aluminium alloy of surface tool ceramic coating formed by micro-arc oxidation and preparation method thereof |
| CN102362015A (en) * | 2009-04-10 | 2012-02-22 | 株式会社爱发科 | Surface-treatment method for components of mechanical booster pumps, turbomolecular pumps, or dry pumps, as well as mechanical booster pump, turbomolecular pump, or dry pump treated with said surface-treatment method |
| CN102758234A (en) * | 2012-07-26 | 2012-10-31 | 西北工业大学 | Method for preparing aluminum alloy anti-corrosion layer and electrolyte used in method |
-
2014
- 2014-12-16 CN CN201410774197.4A patent/CN104404596A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2215167A (en) * | 1937-03-30 | 1940-09-17 | Crosse & Blackwell Ltd | Process of protecting metal surfaces by electrodeposition |
| CN101608332A (en) * | 2008-06-19 | 2009-12-23 | 深圳富泰宏精密工业有限公司 | Aluminium alloy of surface tool ceramic coating formed by micro-arc oxidation and preparation method thereof |
| CN102362015A (en) * | 2009-04-10 | 2012-02-22 | 株式会社爱发科 | Surface-treatment method for components of mechanical booster pumps, turbomolecular pumps, or dry pumps, as well as mechanical booster pump, turbomolecular pump, or dry pump treated with said surface-treatment method |
| CN102758234A (en) * | 2012-07-26 | 2012-10-31 | 西北工业大学 | Method for preparing aluminum alloy anti-corrosion layer and electrolyte used in method |
Non-Patent Citations (2)
| Title |
|---|
| 关宇东等: "高速换向脉冲电镀电源研制", 《电镀与环保》 * |
| 文亚凤等: "500A 高速换向脉冲电镀电源的研制", 《电子电力技术》 * |
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Application publication date: 20150311 |