Effects of Cu and Ce co-addition on the microstructure and mechanical properties of Mg-6Zn-0.5Zr alloy

doi:10.1016/j.jallcom.2018.07.169

IMR OpenIR

	Effects of Cu and Ce co-addition on the microstructure and mechanical properties of Mg-6Zn-0.5Zr alloy
	He, M. L.1,2; Luo, T. J.1,2; Liu, Y. T.3; Lin, T.3; Zhou, J. X.3; Yang, Y. S.1,2,3
通讯作者	Yang, Y. S.(ysyang@imr.ac.cn)
	2018-10-30
发表期刊	JOURNAL OF ALLOYS AND COMPOUNDS
ISSN	0925-8388
卷号	767 页码:1216-1224
摘要	In this work, the microalloying approach was adopted to improve the mechanical properties of Mg-6Zn-0.5Zr alloy by co-addition of trace Cu and Ce elements. The results showed that the grain size of the Mg-6Zn-0.5Zr-0.5Cu-0.5Ce alloy was refined, and MgZnCu and Mg-Zn-Ce phases formed by the microalloying of Cu and Ce. In addition, high-density nano-scale precipitates were found in the matrix after extrusion. The alloy with Cu and Ce addition showed a basal texture with a stronger texture intensity. The yield strength, ultimate tensile strength and elongation of the as-extruded Mg-6Zn-0.5Zr-0.5Cu-0.5Ce alloy were 304 MPa, 345 MPa and 20.0%, respectively. This work demonstrated a close microstructure-strength relationship in which the refined grain size and abundant nano-scale precipitates led to an increase in the tensile yield strength of approximately 59 MPa compared with that of the Cu and Ce free alloy. (C) 2018 Elsevier B.V. All rights reserved.
关键词	Magnesium alloy Microalloying Microstructure Nano-scale precipitates Tensile properties
资助者	National Key Research and Development Program of China
DOI	10.1016/j.jallcom.2018.07.169
收录类别	SCI
语种	英语
资助项目	National Key Research and Development Program of China[2016YFB0301105]
WOS研究方向	Chemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS类目	Chemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS记录号	WOS:000446316500142
出版者	ELSEVIER SCIENCE SA
引用统计	被引频次：21[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/129831
专题	中国科学院金属研究所
通讯作者	Yang, Y. S.
作者单位	1.Chinese Acad Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China 2.Univ Sci & Technol China, Sch Mat Sci & Engn, Hefei 230026, Anhui, Peoples R China 3.Shandong Key Lab High Strength Lightweight Metall, Jinan 250014, Shandong, Peoples R China
推荐引用方式 GB/T 7714	He, M. L.,Luo, T. J.,Liu, Y. T.,et al. Effects of Cu and Ce co-addition on the microstructure and mechanical properties of Mg-6Zn-0.5Zr alloy[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2018,767:1216-1224.
APA	He, M. L.,Luo, T. J.,Liu, Y. T.,Lin, T.,Zhou, J. X.,&Yang, Y. S..(2018).Effects of Cu and Ce co-addition on the microstructure and mechanical properties of Mg-6Zn-0.5Zr alloy.JOURNAL OF ALLOYS AND COMPOUNDS,767,1216-1224.
MLA	He, M. L.,et al."Effects of Cu and Ce co-addition on the microstructure and mechanical properties of Mg-6Zn-0.5Zr alloy".JOURNAL OF ALLOYS AND COMPOUNDS 767(2018):1216-1224.