变质元素对Mg/Mg2Si复合材料中Mg2Si相影响的研究进展  

Research Progress on Effect of Modified Elements on Mg2Si Phase in Mg/Mg2Si Composites

作　　者：张连腾 陈乐平[1] 周全[1] ZHANG Lianteng;CHEN Leping;ZHOU Quan(School of Aeronautical Manufacturing Engineering,Nanchang Hangkong University,Nanchang 330063,China)

机构地区：[1]南昌航空大学航空制造工程学院

出　　处：《热加工工艺》2019年第16期1-7,共7页Hot Working Technology

基　　金：江西省教育厅科技重点项目(GJJ1606796);江西省教育厅科技资助项目(GJJ170580)

摘　　要：Mg2Si相作为一种具有良好性能的二元合金相,被广泛地应用在多种有色合金以及复合材料中作为增强相。采用不同的元素得到了不同的变质效果,通过变质元素细化Mg2Si相,以提高合金的性能。研究了不同元素对Mg/Mg2Si复合材料中的Mg2Si相的复合变质作用。综述了Mg2Si相的性质,重点介绍了铸造镁合金中添加变质元素对Mg2Si相形貌的影响以及变质机理,总结了当前研究阶段存在的不足,并提出了进一步研究方向。As a binary alloy phase with good properties,Mg2Si phase has been widely used as reinforcing phase in many kinds of nonferrous alloys and composite materials.Use of different elements can get different metamorphic effects.The properties of the alloy can be improved by refining Mg2Si phase with modified elements.The composite modification of Mg2Si phase in Mg/Mg2Si composites by different elements was studied.The properties of Mg2Si phase were reviewed,and the effects of adding metamorphic elements on the morphology of Mg2Si phase and the modification mechanism of cast magnesium alloy were introduced.The shortcomings of the current research stage were summarized and the further research direction was put forward.

关 键 词：镁合金 Mg/Mg2Si复合材料 MG2SI相 变质元素 

分 类 号：TB333.12[一般工业技术—材料科学与工程] TG166.4[金属学及工艺—热处理]