Remarkable transitions of yield behavior and Luders deformation in pure Cu by changing grain sizes

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	Remarkable transitions of yield behavior and Luders deformation in pure Cu by changing grain sizes
	Tian, YZ; Gao, S; Zhao, LJ; Lu, S; Pippan, R; Zhang, ZF; Tsuji, N; Zhang, ZF (reprint author), Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China.
刊名	SCRIPTA MATERIALIA
	2018
卷号	142 页码:88-91
关键词	High-pressure Torsion Plastic-deformation Flow-stress Al-alloy Copper Strength Ductility Aluminum Microstructures Metal
ISSN号	1359-6462
英文摘要	Fully recrystallized ultrafine-grained (UFG) pure Cu specimens were fabricated by high-pressure torsion (HPT) and controlled annealing. The recrystallized UFG Cu with a minimum mean grain size of 0.51 pm showed high yield strength, good ductility, obvious yield drop and large Liiders strain during tensile test. The mechanical behavior of the Cu specimen became sensitive to the change in the grain size from 0.2 pm to 4.2 pm. The continuous transitions of yield behavior and Luders deformation with grain sizes were discussed. (C) 2017 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.; Fully recrystallized ultrafine-grained (UFG) pure Cu specimens were fabricated by high-pressure torsion (HPT) and controlled annealing. The recrystallized UFG Cu with a minimum mean grain size of 0.51 pm showed high yield strength, good ductility, obvious yield drop and large Liiders strain during tensile test. The mechanical behavior of the Cu specimen became sensitive to the change in the grain size from 0.2 pm to 4.2 pm. The continuous transitions of yield behavior and Luders deformation with grain sizes were discussed. (C) 2017 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
学科主题	Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
语种	英语
资助机构	National Natural Science Foundation of China (NSFC) [51331007, 51501198]; Chinese Academy of Sciences (CAS); Japan Society for the Promotion of Science (JSPS) through the Bilateral Program [GJI-21774]; Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan, through the Elements Strategy Initiative for Structural Materials (ESISM) project
公开日期	2018-06-05
内容类型	期刊论文
源URL	[http://ir.imr.ac.cn/handle/321006/79631]
专题	金属研究所_中国科学院金属研究所
通讯作者	Tian, YZ; Zhang, ZF (reprint author), Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China.
推荐引用方式 GB/T 7714	Tian, YZ,Gao, S,Zhao, LJ,et al. Remarkable transitions of yield behavior and Luders deformation in pure Cu by changing grain sizes[J]. SCRIPTA MATERIALIA,2018,142:88-91.
APA	Tian, YZ.,Gao, S.,Zhao, LJ.,Lu, S.,Pippan, R.,...&Zhang, ZF .(2018).Remarkable transitions of yield behavior and Luders deformation in pure Cu by changing grain sizes.SCRIPTA MATERIALIA,142,88-91.
MLA	Tian, YZ,et al."Remarkable transitions of yield behavior and Luders deformation in pure Cu by changing grain sizes".SCRIPTA MATERIALIA 142(2018):88-91.