CN201284800Y - Aluminum alloy synchronous ring with TiAl/Al2O3 micro-arc oxidation ceramic membrane on surface - Google Patents
Aluminum alloy synchronous ring with TiAl/Al2O3 micro-arc oxidation ceramic membrane on surface Download PDFInfo
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- CN201284800Y CN201284800Y CNU2008201134376U CN200820113437U CN201284800Y CN 201284800 Y CN201284800 Y CN 201284800Y CN U2008201134376 U CNU2008201134376 U CN U2008201134376U CN 200820113437 U CN200820113437 U CN 200820113437U CN 201284800 Y CN201284800 Y CN 201284800Y
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- tial
- aluminum alloy
- ceramic membrane
- synchronous ring
- alloy synchronous
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Abstract
The utility model provides an aluminium alloy synchronization ring with TiAl/Al2O3 with micro-arc oxidized ceramic coating on the surface, which comprises an aluminum alloy synchronization ring basal body. The utility model is characterized in that a TiAl/Al2O3 ceramic coating is covered on the surface of the aluminum alloy synchronization ring basal body through micro-arc oxidization. The utility model has the advantages that the impact resistance of the pyramidal face of the synchronization ring can be significantly improved; and the aluminum alloy synchronization ring has excellent wear resistance.
Description
Technical field
The utility model relates to the aluminum alloy synchronous ring of automobile synchronizer, specifically is that TiAl/Al is contained on a kind of surface
2O
3The aluminum alloy synchronous ring of differential arc oxidation composite ceramic film.
Background technique:
The automobile synchronizer synchronizing ring is often selected for use and can be guaranteed that it has the brass alloys manufacturing of high strength and hardness, good abrasion resistance, as manganese brass, aluminium brass and one-ton brass etc., but these material weight are big, the price height, the machine shaping difficulty must adopt special method to carry out processing, and manufacturing efficiency is low, the cost height, quality is restive.In order to overcome these deficiencies of brass alloys, aluminum alloy becomes one of material of automobile synchronizer synchronizing ring gradually, aluminum alloy synchronous ring has in light weight, the advantage that price is low, its deficiency is that hardness is low, wear-resisting property is relatively poor, limited it and on the synchronizing ring conical surface, directly used, needed it is carried out surface modification treatment as friction pair.Present ceramic treatment in aluminum alloy surface, the main technology such as hard anodizing, ion plating, vapour deposition coating that adopt, but these method technologies are complicated, under operating conditions in the face of high speed and high contact stress, the wear resistance of ceramic film still is apparent not enough, hardness and thermal shock resistance are also not ideal enough, and some technology also pollutes environment.
The model utility content
The purpose of this utility model is to have the relatively poor deficiency of aluminum alloy synchronous ring surface abrasion resistance now in order to overcome, and provides a kind of surface to have one deck TiAl/Al
2O
3The aluminum alloy synchronous ring of differential arc oxidation composite ceramic film, this synchronous ring is wear-resisting, and anti-impact force is strong.
The utility model comprises the aluminum alloy synchronous ring matrix, it is characterized in that: process being laminated with one deck TiAl/Al through differential arc oxidation on the surface of aluminum alloy synchronous ring matrix
2O
3Ceramic membrane.
Described TiAl/Al
2O
3Ceramic membrane is made up of compacted zone and weaker zone, and its thickness is more than the 150 μ m, and surface hardness surpasses 2000HV.
The utility model has the advantages that: process the aluminum alloy synchronous ring that obtains through differential arc oxidation, the TiAl/Al on surface
2O
3The composite ceramics film thickness surpasses 150 μ m, and hardness surpasses 2000HV, and synchronous ring conical surface impact resistance significantly improves, and anti-wear performance is good.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the vertical profile schematic representation of Fig. 1;
Fig. 3 is TiAl/Al
2O
3The structure vertical profile schematic diagram of ceramic membrane.
Among the figure: 1. aluminum alloy synchronous ring matrix 2.TiAl/Al
2O
3Ceramic membrane 2-1.TiAl/Al
2O
3Ceramic membrane compacted zone 2-2.TiAl/Al
2O
3The ceramic membrane weaker zone
Embodiment:
The utility model will be further described below in conjunction with drawings and Examples.
Embodiment
With reference to Fig. 1,2,3, the utility model is by aluminum alloy synchronous ring matrix 1 and the TiAl/Al that is arranged on the aluminum alloy synchronous ring matrix 1
2O
3 Ceramic membrane 2 forms TiAl/Al
2O
3Ceramic membrane is by TiAl/Al
2O
3Ceramic membrane compacted zone 2-1 and TiAl/Al
2O
3Ceramic membrane weaker zone 2-2 forms, TiAl/Al
2O
3Ceramic membrane compacted zone 2-1 is at TiAl/Al
2O
3On the ceramic membrane weaker zone 2-2.The utility model adopts following technology to make:
Aluminum alloy synchronous ring is made by casting, reaches the corresponding size requirement through machining, and oil removal treatment is done on the polishing surface, to non-working surface application insulated paint, carries out differential arc oxidation and handles.Alkaline electrolyte is Na
2SiO
3System solution with the total volume ratio, is got Na by weight
2SiO
36g/L, NaOH 1.5g/L, Na
2WO
32g/L, TiO
26g/L configures the electrolytic solution of handling usefulness, and control electrolyte PH value scope is between 8-12.Synchronous articulating anode, stainless steel tank connects negative electrode, by Bipolar pulse power synchronous ring is applied voltage, and Control of Voltage is between 600V-700V, and the processing time is 45min, contains TiAl/Al thereby form one deck at the aluminum alloy synchronous ring surface in situ
2O
3Composite ceramic film.
Claims (3)
1, a kind of surface has TiAl/Al
2O
3The aluminum alloy synchronous ring of ceramic coating formed by micro-arc oxidation comprises aluminum alloy synchronous ring matrix (1), it is characterized in that: the surface at aluminum alloy synchronous ring matrix (1) has been laminated with one deck TiAl/Al
2O
3Ceramic membrane (2).
2, aluminum alloy synchronous ring according to claim 1 is characterized in that: described TiAl/Al
2O
3The thickness of ceramic membrane (2) is more than the 150 μ m, and surface hardness surpasses 2000HV.
3, aluminum alloy synchronous ring according to claim 1 and 2 is characterized in that: TiAl/Al
2O
3Ceramic membrane (2) is by TiAl/Al
2O
3Ceramic membrane compacted zone (2-1) and TiAl/Al
2O
3Ceramic membrane weaker zone (2-2) forms, TiAl/Al
2O
3Ceramic membrane compacted zone (2-1) is at TiAl/Al
2O
3On the ceramic membrane weaker zone (2-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201134376U CN201284800Y (en) | 2008-09-29 | 2008-09-29 | Aluminum alloy synchronous ring with TiAl/Al2O3 micro-arc oxidation ceramic membrane on surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201134376U CN201284800Y (en) | 2008-09-29 | 2008-09-29 | Aluminum alloy synchronous ring with TiAl/Al2O3 micro-arc oxidation ceramic membrane on surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201284800Y true CN201284800Y (en) | 2009-08-05 |
Family
ID=40949785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201134376U Expired - Fee Related CN201284800Y (en) | 2008-09-29 | 2008-09-29 | Aluminum alloy synchronous ring with TiAl/Al2O3 micro-arc oxidation ceramic membrane on surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201284800Y (en) |
-
2008
- 2008-09-29 CN CNU2008201134376U patent/CN201284800Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090805 Termination date: 20091029 |