| Wear resistance of ceramic coating on AZ91 magnesium alloy by micro-arc oxidation |
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| 引用本文： | 赵晖 刘正 陈立佳 陈吉 韩忠. Wear resistance of ceramic coating on AZ91 magnesium alloy by micro-arc oxidation[J]. 中国有色金属学会会刊, 2006, 16(A03): 1814-1818 |
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| 作者姓名： | 赵晖 刘正 陈立佳 陈吉 韩忠 |
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| 作者单位： | [1]College of Materials Science and Engineering, Shenyang University of Technology, Shenyang 110023, China [2]College of Materials Science and Engineering, Shenyang Ligong University, Shenyang 110168, China [3]Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China |
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| 基金项目： | Foundation item： Project （5133001B） supported by the Ministry of Science and Technology of China; Project（1053125-1-09） supported by the Bureau of Science and Technology of Shenyang, China |
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| 摘 要： | The ceramic coating formed on AZ91 magnesium alloy by micro-arc oxidation （MAO） was characterized. The results show that the ceramic coating （3.4-23 μm in thickness）on the surface ofAZ91 alloy was attained under different micro-arc oxidation treatment conditions, which consist mainly of MgO, Mg2SiO4 and MgSiO3 phases. Nano-hardness in a cross-sectional specimen was determined by nano-indentation experiment. The MAO coatings exhibit higher hardness than the substrate. Dry sliding wear tests for the MAO coatings and AZ91 alloy were also carded out using an oscillating friction and wear tester in a ball-on-disc contact configuration. The wear resistance of the MAO coatings is improved respectively under different treatment time as a result of different structures of ceramic coatings formed on AZ91 alloy.
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| 关 键 词： | 陶瓷涂层 镁合金 氧化行为 金属加工 磨损行为 |
| 收稿时间： | 2006-07-28 |
| 修稿时间： | 2006-09-15 |
Wear resistance of ceramic coating on AZ91 magnesium alloy by micro-arc oxidation |
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| ZHAO Hui, LIU Zheng, CHEN Li-jia, CHEN Ji, HAN Zhong. Wear resistance of ceramic coating on AZ91 magnesium alloy by micro-arc oxidation[J]. Transactions of Nonferrous Metals Society of China, 2006, 16(A03): 1814-1818 |
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| Authors: | ZHAO Hui LIU Zheng CHEN Li-jia CHEN Ji HAN Zhong |
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| Abstract: | |
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| Keywords: | AZ91 alloy magnesium alloy ceramic coating micro-arc oxidation wear resistance |
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