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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.
2018
发表期刊SCRIPTA MATERIALIA
ISSN1359-6462
卷号142页码:88-91
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.
部门归属[tian, y. z. ; zhang, z. f.] chinese acad sci, shenyang natl lab mat sci, inst met res, 72 wenhua rd, shenyang 110016, liaoning, peoples r china ; [gao, s.] kyoto univ, dept mat sci & engn, sakyo ku, yoshida honmachi, kyoto 6068501, japan ; [zhao, l. j.] colorado sch mines, dept met & mat engn, adv steel proc & prod res ctr, golden, co 80401 usa ; [lu, s.] univ turku, dept phys & astron, fi-20014 turku, finland ; [pippan, r.] austrian acad sci, erich schmid inst mat sci, jahnstr 12, a-8700 leoben, austria ; [tsuji, n.] kyoto univ, sakyo ku, esism, yoshida honmachi, kyoto 6068501, japan
关键词High-pressure Torsion Plastic-deformation Flow-stress Al-alloy Copper Strength Ductility Aluminum Microstructures Metal
学科领域Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
资助者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
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/79631
专题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.
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