Anisotropic mechanical and corrosion properties of directionally solidified Mg-3Zn-0.2Ca alloy

doi:10.1016/j.jallcom.2021.162687

IMR OpenIR

	Anisotropic mechanical and corrosion properties of directionally solidified Mg-3Zn-0.2Ca alloy
	Zhang, Yi 1,2; Feng, Xiaohui 1; Huang, Qiuyan 1; Li, Yingju 1; Yang, Yuansheng 1,2,3
通讯作者	Yang, Yuansheng(ysyang@imr.ac.cn)
	2022-02-25
发表期刊	JOURNAL OF ALLOYS AND COMPOUNDS
ISSN	0925-8388
卷号	895 页码:12
摘要	A Mg-3 wt.%Zn-0.2 wt.%Ca alloy was fabricated by directional solidification, and its mechanical and cor-rosion properties were investigated from different crystallographic orientations. It was found that the di-rectionally solidified (DSed) Mg-3Zn-0.2Ca alloy had a cellular structure with a preferred < 11-20 > growth orientation. The {0001} basal planes aligned approximately parallel to the growth direction of DSed alloy. The mechanical properties were measured with compression and nanoindentation tests by loading along with different directions, including the directions parallel (LD) and perpendicular (TD) to the growth di-rection of the DSed sample. The results indicated that the compression properties, strain hardening rate (theta), hardness (H), and elastic modulus (E) of the DSed Mg-3Zn-0.2Ca alloy were highly anisotropic. The ani-sotropies of the compression properties, theta, and H are caused by the activation of different deformation mechanisms. The anisotropic E comes from the difference of atomic bonding strengths at different crys-tallographic planes. The corrosion resistance of DSed Mg-3Zn-0.2Ca alloy exhibited anisotropy as well. The corrosion resistance of the specimen taken along LD is better than that of the specimen taken along TD. Besides, the LD and TD specimens experience much slighter corrosion than the as-cast specimen with randomly crystallographic orientation. The superior corrosion resistance of the LD specimen is beneficial from its surface distributed with more {0001} basal crystallographic planes. (c) 2021 Elsevier B.V. All rights reserved.
关键词	Mg alloy directional solidification anisotropy mechanical properties corrosion properties
资助者	Key Research and Development Plan of Shandong Province ; National Key Research and Development Program of China ; National Natural Science Foundation of China ; DongGuan Innovative Research Team Program
DOI	10.1016/j.jallcom.2021.162687
收录类别	SCI
语种	英语
资助项目	Key Research and Development Plan of Shandong Province[2019JZZY020329] ; National Key Research and Development Program of China[2017YFB0103904] ; National Natural Science Foundation of China[51701211] ; DongGuan Innovative Research Team Program[2020607134012]
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:000749452600003
出版者	ELSEVIER SCIENCE SA
引用统计	被引频次：7[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/321006/173523
专题	中国科学院金属研究所
通讯作者	Yang, Yuansheng
作者单位	1.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China 2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China 3.Shandong Key Lab High Strength Lightweight Metall, Jinan 250014, Peoples R China
推荐引用方式 GB/T 7714	Zhang, Yi,Feng, Xiaohui,Huang, Qiuyan,et al. Anisotropic mechanical and corrosion properties of directionally solidified Mg-3Zn-0.2Ca alloy[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2022,895:12.
APA	Zhang, Yi,Feng, Xiaohui,Huang, Qiuyan,Li, Yingju,&Yang, Yuansheng.(2022).Anisotropic mechanical and corrosion properties of directionally solidified Mg-3Zn-0.2Ca alloy.JOURNAL OF ALLOYS AND COMPOUNDS,895,12.
MLA	Zhang, Yi,et al."Anisotropic mechanical and corrosion properties of directionally solidified Mg-3Zn-0.2Ca alloy".JOURNAL OF ALLOYS AND COMPOUNDS 895(2022):12.