| WEN Bo,GUO Xing-wu,CHEN Jie,WU Song-lin,YI Jun-lan,ZHU Rong-yu,DING Wen-jiang.Effect of Micro-arc Oxidation Coatings and Micro-arc Oxidation Coatings after Sealing Treatment on Fatigue Properties of 2024 Aluminium Alloys[J],(5):44-46,63 |
| Effect of Micro-arc Oxidation Coatings and Micro-arc Oxidation Coatings after Sealing Treatment on Fatigue Properties of 2024 Aluminium Alloys |
| Received:May 11, 2012 Revised:October 20, 2012 |
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| DOI： |
| KeyWord:aluminium alloys hard anodic oxidation micro-arc oxidation fatigue |
| Author | Institution |
| WEN Bo |
School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai , China |
| GUO Xing-wu |
School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai , China |
| CHEN Jie |
Shanghai Aircraft Manufacturing Co., LTD, Shanghai , China |
| WU Song-lin |
Shanghai Aircraft Manufacturing Co., LTD, Shanghai , China |
| YI Jun-lan |
Shanghai Aircraft Manufacturing Co., LTD, Shanghai , China |
| ZHU Rong-yu |
School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai , China |
| DING Wen-jiang |
School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai , China |
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| Abstract: |
| 2024 aluminium alloys was treated by three methods:(1)hard anodic oxidation(the standard process used in Chinese aviation industry),(2)micro-arc oxidation and(3)micro-arc oxidation followed by sealing. The fatigue properties of three samples prepared by three methods were compared under typical stress ratio(R=-1.0)conditions. The results show that the fatigue properties of 2024 aluminium alloy treated by hard anodic oxidation process are lower than that of 2024 alloys ubstrate both at high and low fatigue loads; The fatigue properties of 2024 aluminium alloy treated by micro-arc oxidation treatment are better than that of 2024 alloy substrate at low fatigue loads, but worse than that of 2024 alloy substrate at high fatigue loads; The fatigue properties of 2024 aluminium alloys treated by micro-arc oxidation and sealing treatment are better than that of 2024 aluminium alloy substrate without oxidation treatment. |
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