Effect of Equal-Channel Angular Extrusion on Microstructure and Mechanical Properties of Mg-1Gd and Mg-2Zn Alloys

doi:10.12442/j.issn.1002-185X.20230223

IMR OpenIR

	Effect of Equal-Channel Angular Extrusion on Microstructure and Mechanical Properties of Mg-1Gd and Mg-2Zn Alloys
	Xu, Jinliang 1; Song, Yifan 1; Ding, Ruizhi 1; Yan, Hong 1; Chen, Rongshi 2
通讯作者	Yan, Hong(yanhong5871@163.com)
	2024-06-01
发表期刊	RARE METAL MATERIALS AND ENGINEERING
ISSN	1002-185X
卷号	53 期号:6 页码:1735-1740
摘要	The effects of equal-channel angular extrusion on the microstructure and mechanical properties of two binary alloys, Mg-1Gd and Mg-2Zn were studied by OM and EBSD. The results show that under the same extrusion conditions, Mg-2Zn alloy fully recrystallizes, resulting in grain growth and coarsening, and the strength and plasticity do not change with the number of extrusion passes. Mg-1Gd alloy only partially recrystallizes after extrusion, with a microstructure consisting of fine dynamic recrystallized grains and deformed grains. With the increase in the number of extrusion passes, the degree of recrystallization increases, leading to a doubling of the tensile strength and plasticity of Mg-1Gd alloy. This is related to the greater inhibition of recrystallization and grain growth by the solute atom Gd compared to Zn. The recrystallized grains have a dispersed orientation, while the grains that do not recrystallize in Mg-1Gd alloy have a c-axis orientation that deviates 45 degrees from ED to TD, which is consistent with the detection of macroscopic texture. A large number of small-angle grain boundaries form within the grains, and rotations around the c-axis occur on both sides of these boundaries, gradually evolving into large-angle boundaries.
关键词	ECAE Mg-1Gd alloy Mg-2Zn alloy recrystallization texture mechanical property
DOI	10.12442/j.issn.1002-185X.20230223
收录类别	SCI
语种	英语
WOS研究方向	Materials Science ; Metallurgy & Metallurgical Engineering
WOS类目	Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS记录号	WOS:001310331100001
出版者	NORTHWEST INST NONFERROUS METAL RESEARCH
引用统计
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/189875
专题	中国科学院金属研究所
通讯作者	Yan, Hong
作者单位	1.Shandong Univ Sci & Technol, Sch Mat Sci & Engn, Qingdao 266400, Peoples R China 2.Chinese Acad Sci, Inst Met Res, Shi Changxu Innovat Ctr Adv Mat, Shenyang 110016, Peoples R China
推荐引用方式 GB/T 7714	Xu, Jinliang,Song, Yifan,Ding, Ruizhi,et al. Effect of Equal-Channel Angular Extrusion on Microstructure and Mechanical Properties of Mg-1Gd and Mg-2Zn Alloys[J]. RARE METAL MATERIALS AND ENGINEERING,2024,53(6):1735-1740.
APA	Xu, Jinliang,Song, Yifan,Ding, Ruizhi,Yan, Hong,&Chen, Rongshi.(2024).Effect of Equal-Channel Angular Extrusion on Microstructure and Mechanical Properties of Mg-1Gd and Mg-2Zn Alloys.RARE METAL MATERIALS AND ENGINEERING,53(6),1735-1740.
MLA	Xu, Jinliang,et al."Effect of Equal-Channel Angular Extrusion on Microstructure and Mechanical Properties of Mg-1Gd and Mg-2Zn Alloys".RARE METAL MATERIALS AND ENGINEERING 53.6(2024):1735-1740.