Effect of rare-earth element Sm on the corrosion behavior of Mg-6Al-1.2Y-0.9Nd alloy

查看全文 作　　者：LI Quan’an,LI Xiaofeng,ZHANG Qing,and CHEN Jun School of Materials Science and Engineering,Henan University of Science and Technology,Luoyang 471003,China

出　　处：《Rare Metals》索引2010年第29卷第6期,共4页

摘　　要：The effect of Sm(0 wt.%-2 wt.%) addition on the corrosion behavior of Mg-6Al-1.2Y-0.9Nd alloy in 3.5 wt.% NaCl solution has been studied by static corrosion tests,corrosion morphology observation,corrosion scale and microstructure analysis.The results show that,with the increasing of Sm content,the corrosion rate of the alloy decreases at first,then increases and reaches the valley at 0.5 wt.% Sm.The reason is that the proper content of Sm addition can refine the precipitates and make the component and microstructure uniform,and therefore,it remarkably improves the corrosion resistance of the alloy. 关键词：腐蚀行为高合金元素稀土 NACL溶液钐腐蚀试验形貌观察

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Effect of rare-earth element Sm on the corrosion behavior of Mg-6Al-1.2Y-0.9Nd alloy

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