镁合金中LPSO相的应用研究进展  

Advances in Application of LPSO Structure in Magnesium Alloys

作　　者：徐志超[1] 史庆南[1] 冯中学[2] 

机构地区：[1]昆明理工大学材料科学与工程学院,云南昆明650000 [2]云南省新材料制备与加工重点实验室,云南昆明650000

出　　处：《热加工工艺》2015年第18期22-27,30,共7页Hot Working Technology

基　　金：云南省自然科学研究基金资助项目(KKSY201351055);云南省教育厅科学研究基金研究生项目(2013J058)

摘　　要：Mg-RE-Zn合金体系由于其特殊的相结构而具有优越的力学性能,其较好的耐热和抗腐蚀性以及一定的电磁屏蔽性能引起了金属行业的广泛关注。含有的LPSO相由于特殊的构造吸引了相关领域的研究。综述了当前国内外研究LPSO相的最新进展,介绍了LPSO相在提高合金性能方面的应用以及定向凝固中不同取向LPSO相的变形机制。Due to its special structure,Mg-RE-Zn alloy phase system has excellent mechanical properties. Its good resistance to heat and corrosion resistance as well as a certain degree of electromagnetic shielding performance can cause widespread concern in metal industry. The alloy containing the LPSO phase due to its special structure,attracts the attention of extensive research in related fields. The latest developments of the current domestic and international research LPSO phase was reviewed,and the application of the relevant LPSO phase was introduced. The deformation mechanism of directional solidification phase of the grain was elaborated.

关 键 词：镁合金 LPSO 相应用 定向凝固 

分 类 号：TG146.22[一般工业技术—材料科学与工程]