稀土元素对镁合金组织结构与性能影响的研究进展  

Research Progress in Influence of Rare Earth on Microstructure and Mechanical Properties of Magnesium Alloy

作　　者：胡文鑫[1,2] 杨正华[1,2] 陈国华[1,2] 曹永存[1,2] 

机构地区：[1]包头稀土研究院,内蒙古包头014030 [2]稀土冶金及功能材料国家工程研究中心,内蒙古包头014030

出　　处：《稀土》2014年第5期89-95,共7页Chinese Rare Earths

摘　　要：稀土镁合金具有高强韧性、耐腐蚀和优异的抗蠕变性能等特性,在汽车、电子、航空航天等领域具有广阔的应用前景。针对稀土元素在镁合金中的行为以及稀土镁合金的制备方法进行概述,对重稀土镁合金、轻稀土镁合金、LPSO结构稀土镁合金的研发现状及应用情况予以分析说明。总结了稀土镁合金研发过程中所存在的诸多问题,并对稀土镁合金的发展前景进行简述。Mg-RE alloy exhibits high strength,high toughness,excellent corrosion resistance and creep resistance,and has wide application prospect in automobile,electronics and aerospace.The effects of rare earth on performance,structure and preparation of Mg-RE alloy were overviewed.The research and applications status of heavy RE magnesium alloy,light RE magnesium alloy and Mg-RE alloy with long period stacking ordered structures were analyzed.At last,a series of problems existing in Mg-RE alloy research and development were summarized,and development prospect of Mg-RE alloy was discussed.

关 键 词：镁合金 稀土镁合金 制备工艺 研发进展 

分 类 号：TG146.22[一般工业技术—材料科学与工程]