Effect of La addition on semi-solid microstructure evolution of Mg-7Zn magnesium alloy

doi:10.1007/s41230-022-1191-2

	Effect of La addition on semi-solid microstructure evolution of Mg-7Zn magnesium alloy
	Zhang, Zhan-yu; Huang, Xiao-feng; Yang, Fan; Zhang, Sheng; Fu, Jiao-li
	2022-09
发表期刊	CHINA FOUNDRY
ISSN	1672-6421
卷号	19 期号:5 页码:403-410
摘要	Semi-solid billets of Mg-7Zn and Mg-7Zn-0.3La alloys were prepared by semi-solid isothermal heat treatment. The effects of the La element on the as-cast and semi-solid microstructures of Mg-7Zn alloy were investigated. Meanwhile, the effects of isothermal temperature and holding time on the evolution of the semi-solid microstructure of Mg-7Zn-0.3La alloy were also studied. Results indicate that the addition of a small amount of La can significantly refine the as-cast and semi-solid microstructure. During the semi-solid thermal transformation, the size and shape factor of solid particles decrease at first and then increase with the increase of isothermal temperature and holding time. The semi-solid microstructure of Mg-7Zn-0.3La alloy obtained by holding at 605 degrees C for 30 min is the optimal. The average size of solid particles, shape factor, and solid fraction are 42 urn, 1.45 and 61.8%, respectively. At the same time, a comparative study on the coarsening process of particles in the semi-solid billets of Mg-7Zn and Mg-7Zn-0.3La alloys reveals that the addition of La effectively decreases the coarsening rate of solid particles and restricts the growth of solid particles.
关键词	magnesium alloy La element semi-solid microstructure evolution coarsening rate constant TG146 22 A
DOI	10.1007/s41230-022-1191-2
收录类别	SCIE ; EI
语种	英语
WOS研究方向	Metallurgy & Metallurgical Engineering
WOS类目	Metallurgy & Metallurgical Engineering
WOS记录号	WOS:000823246400001
出版者	SPRINGER SINGAPORE PTE LTD
EI入藏号	20233414604016
来源库	WOS
原始文献类型	Journal article (JA)
引用统计	被引频次：2[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	https://ir.lut.edu.cn/handle/2XXMBERH/159438
专题	材料科学与工程学院理学院
通讯作者	Huang, Xiao-feng
作者单位	Lanzhou Univ Technol, State Key Lab Adv Proc & Recycling Nonferrous Met, Lanzhou 730050, Peoples R China
第一作者单位	省部共建有色金属先进加工与再利用国家重点实验室
通讯作者单位	省部共建有色金属先进加工与再利用国家重点实验室
第一作者的第一单位	省部共建有色金属先进加工与再利用国家重点实验室
推荐引用方式 GB/T 7714	Zhang, Zhan-yu,Huang, Xiao-feng,Yang, Fan,et al. Effect of La addition on semi-solid microstructure evolution of Mg-7Zn magnesium alloy[J]. CHINA FOUNDRY,2022,19(5):403-410.
APA	Zhang, Zhan-yu,Huang, Xiao-feng,Yang, Fan,Zhang, Sheng,&Fu, Jiao-li.(2022).Effect of La addition on semi-solid microstructure evolution of Mg-7Zn magnesium alloy.CHINA FOUNDRY,19(5),403-410.
MLA	Zhang, Zhan-yu,et al."Effect of La addition on semi-solid microstructure evolution of Mg-7Zn magnesium alloy".CHINA FOUNDRY 19.5(2022):403-410.