Effect of erbium on properties and microstructure of Al-Si eutectic alloy

查看全文 作　　者：[1]邢鹏飞;[1]高波;[2]庄艳歆;[1]刘凯华;[1]涂赣峰

机构地区：[1]School of Materials and Metallurgy, Northeastern University;[2]Key Laboratory of Electromagnetic Processing of Materials, Northeastern University

出　　处：《Journal of Rare Earths》索引2010年第28卷第6期,共4页

基　　金：Project supported by the National Key Science and Technology R&D Program (2009BAE80B00) 摘　　要：Eutectic Al-12.6 wt.%Si alloys with various contents of the rare earth element Er were prepared by the conventional casting technique. The effect of Er on the microstructure and properties of the eutectic Al-Si alloys was investigated using optical microscopy, scanning electron microscopy as well as the friction and wear tests. It was found that the addition of Er obviously improved the anti-wear properties, and reduced the friction coefficient of the alloys. The appropriate addition of Er would change the size and shape of the eutectic silicon, and thereby refine the microstructure of the Al-Si alloys. The refinement mechanism was also discussed. 关键词：EUTECTIC alloy MICROSTRUCTURE and PROPERTIES FRICTION coefficient electron microscopy FRICTION and wear EUTECTIC silicon addition size and shape conventional rare earth improved would found

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Effect of erbium on properties and microstructure of Al-Si eutectic alloy

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