| Influence of Cerium on Corrosion of AZ91 Magnesium Alloy |
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| 引用本文： | Liu Shengfa Liu Linyan Huang Shangyu Xu Ping Wang Zhongfan. Influence of Cerium on Corrosion of AZ91 Magnesium Alloy[J]. 中国稀土学报(英文版), 2006, 24(2): 247-247 |
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| 作者姓名： | Liu Shengfa Liu Linyan Huang Shangyu Xu Ping Wang Zhongfan |
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| 作者单位： | [1]School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, China [2]School of Automotive Engineering, Wuhan University of Technology, Wuhan 430070, China |
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| 摘 要： | Effect of cerium addition on corrosion resistance of AZ91 magnesium alloy was investigated using the static weight loss and polarization curve method as well as metallographical observation. The results indicate that a small amount of cerium （0.2% - 0.8%） in AZ91 magnesium alloy can significantly reduce the corrosion rate, enhance the electrode voltage and lower corrosion current density in 3.5%NaCl aqueous solution, and AZ91-0.8% Ce alloy has better corrosion resistant performance. The reason for increasing corrosion resistance is attributed to the addition of Ce, refining the α-Mg grain, reducing the segregation of element Al, and improving the morphologies of β-Mg17 Al12 phases.
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| 关 键 词： | 镁合金 稀土 腐蚀 铈 |
Influence of Cerium on Corrosion of AZ91 Magnesium Alloy |
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| Liu;Shengfa;Liu;Linyan;Huang;Shangyu;Xu;Ping;Wang;Zhongfan. Influence of Cerium on Corrosion of AZ91 Magnesium Alloy[J]. Journal of Rare Earths, 2006, 24(2): 247-247 |
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| Authors: | Liu Shengfa Liu Linyan Huang Shangyu Xu Ping Wang Zhongfan |
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| Abstract: | |
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| Keywords: | AZ91 magnesium alloy cerium corrosion rare earths |
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