| LY12铝合金微弧氧化后疲劳特性研究 |
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| 引用本文： | 徐丽,陈跃良,郁大照,胡家林. LY12铝合金微弧氧化后疲劳特性研究[J]. 新技术新工艺, 2006, 0(11): 28-30 |
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| 作者姓名： | 徐丽 陈跃良 郁大照 胡家林 |
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| 作者单位： | 1. 海军航空工程学院,青岛分院研究生队,山东,青岛,266041
2. 海军航空工程学院,青岛分院飞机教研室,山东,青岛,266041 |
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| 摘 要： | 微弧氧化是一种新兴的表面改性技术，利用810Material Test System疲劳试验机，对LY12-CZ铝合金微弧氧化后疲劳特性进行了研究。结果表明：疲劳特性随着膜厚的增加先提高后降低，膜厚有一极限值；与阳极氧化相比，膜厚为15μm，20μm试件的平均循环次数分别提高19．8%和24．4％，膜厚为25μm试件的平均循环次数降低14．6％；膜层较薄时疲劳断裂后断口膜层与基体结合紧密，膜层较厚时疲劳断裂后断口膜层部分脱落。
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| 关 键 词： | 铝合金 微弧氧化 疲劳特性 断口膜层 |
| 收稿时间： | 2006-06-06 |
| 修稿时间： | 2006-06-06 |
Research of fatigue properties of Ceramic Coatings on Aluminum Matrix Material Surface |
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| XU Li,CHEN Yueliang,YU Dazhao,HU Jialin. Research of fatigue properties of Ceramic Coatings on Aluminum Matrix Material Surface[J]. New Technology & New Process, 2006, 0(11): 28-30 |
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| Authors: | XU Li CHEN Yueliang YU Dazhao HU Jialin |
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| Affiliation: | XU Li~1,CHEN Yueliang~2,YU Dazhao~1,HU Jialin~1 |
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| Abstract: | Micro-arc oxidation technique is the newly arisen surface processing technique. Using 810 Material Test System, the fatigue property of ceramic coatings on LY12-CZ aluminum matrix material surface was investigated. The results show that fatigue property is increased at first and then reduced with the increasing of the thickness of ceramic coatings, which has a limit point. The average cycle index respectively enhanced 19.8% and 24.4% for 15 m and 20 m Ceramic Coatings, and reduced 14.6% for 25 m compared with anode oxidation. The Ceramic Coatings which are thinner combine firmly with aluminum matrix surface while fall off partly when they are thicker. |
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| Keywords: | aluminum alloys micro-arc oxidation fatigue property cracking ceramic coatings |
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