Effect of solute atom concentration and precipitates on serrated flow in Mg-3Nd-Zn alloy

doi:10.1016/j.jmst.2011.06.004

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	Effect of solute atom concentration and precipitates on serrated flow in Mg-3Nd-Zn alloy
	Wang, WH ; Wu, D ; Chen, RS ; Zhang, XN
刊名	JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
	2018-07-01
卷号	34 期号:7 页码:1236-1242
关键词	Magnesium alloy Serrated flow Precipitate Heat treatment Deformation behavior
ISSN号	1005-0302
DOI	10.1016/j.jmst.2011.06.004
英文摘要	Influence of solute atom concentration and precipitates on serrated flow, i.e., Portevin-Le Chatelier effect, was studied in Mg-3Nd-Zn alloy by tensile test at 250 degrees C with a strain rate of 1 x 10(-3) s(-1). Microstructure and tensile property of the Mg-3Nd-Zn alloy in solution and aging conditions were also investigated. Results indicate that the serrated flow was weakened with aging time, and geometry of the serrations changed from sharp to rounded corner. Through analyzing the mechanism of the interactions between dislocations and solute atoms, it was identified that the precipitates did not only weaken the serrated flow due to the decrease in the concentration of solute atom, but also regulate the serration type by restraining the movement of dislocations during high temperature deformation. (C) 2017 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
学科主题	Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
语种	英语
WOS记录号	WOS:000434132800022
内容类型	期刊论文
源URL	[http://ir.imr.ac.cn/handle/321006/80139]
专题	金属研究所_中国科学院金属研究所
作者单位	1.[Wang, W. H. 2.Zhang, X. N.] Shanghai Jiao Tong Univ, Sch Mat Sci & Engn, State Key Lab Met Matrix Composites, Shanghai 200240, Peoples R China 3.[Wang, W. H. 4.Wu, D. 5.Chen, R. S.] Chinese Acad Sci, Grp Magnesium Alloys & Their Applicat, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China
推荐引用方式 GB/T 7714	Wang, WH,Wu, D,Chen, RS,et al. Effect of solute atom concentration and precipitates on serrated flow in Mg-3Nd-Zn alloy[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2018,34(7):1236-1242.
APA	Wang, WH,Wu, D,Chen, RS,&Zhang, XN.(2018).Effect of solute atom concentration and precipitates on serrated flow in Mg-3Nd-Zn alloy.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,34(7),1236-1242.
MLA	Wang, WH,et al."Effect of solute atom concentration and precipitates on serrated flow in Mg-3Nd-Zn alloy".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 34.7(2018):1236-1242.