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Work hardening discrepancy designing to strengthening gradient nanotwinned Cu
Wan, Tao1,2; Cheng, Zhao1; Bu, Linfeng1,3; Lu, Lei1
通讯作者Lu, Lei(llu@imr.ac.cn)
2021-08-01
发表期刊SCRIPTA MATERIALIA
ISSN1359-6462
卷号201页码:5
摘要This study investigates the mechanical behaviors of sandwiched gradient nanotwinned (GNT) Cu designed by only changing the soft component in the central layer with a fixed hard component at its surface. We found that as the work hardening discrepancy of components increases, both the strengthening and work hardening of GNT Cu increase simultaneously, producing a better strength-ductility synergy compared to their freestanding components. The optimized mechanical properties are results of the promoted strain delocalization, prolonged elastic-plastic transition, and larger strain gradient, which induces more geo-metrically necessary dislocations (GNDs) at the interfaces. (c) 2021 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
关键词Gradient nanotwinned Cu Work hardening discrepancy Extra strengthening Strain delocalization Elastic-plastic transition
资助者National Natural Science Foundation of China (NSFC) ; Key Research Program of Frontier Science and International partnership program, CAS ; LiaoNing Revitalization Talents Program ; China Postdoctoral Science Foundation
DOI10.1016/j.scriptamat.2021.113975
收录类别SCI
语种英语
资助项目National Natural Science Foundation of China (NSFC)[U1608257] ; National Natural Science Foundation of China (NSFC)[51931010] ; National Natural Science Foundation of China (NSFC)[52001312] ; Key Research Program of Frontier Science and International partnership program, CAS[GJHZ2029] ; LiaoNing Revitalization Talents Program[XLYC1802026] ; China Postdoctoral Science Foundation[BX20190336] ; China Postdoctoral Science Foundation[2019M661150]
WOS研究方向Science & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS类目Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS记录号WOS:000670403400011
出版者PERGAMON-ELSEVIER SCIENCE LTD
引用统计
被引频次:94[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/321006/160031
专题中国科学院金属研究所
通讯作者Lu, Lei
作者单位1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China
3.Univ Sci & Technol China, Dept Modern Mech, CAS Key Lab Mech Behav & Design Mat, CAS Ctr Excellence Complex Syst Mech, Hefei 230027, Peoples R China
推荐引用方式
GB/T 7714
Wan, Tao,Cheng, Zhao,Bu, Linfeng,et al. Work hardening discrepancy designing to strengthening gradient nanotwinned Cu[J]. SCRIPTA MATERIALIA,2021,201:5.
APA Wan, Tao,Cheng, Zhao,Bu, Linfeng,&Lu, Lei.(2021).Work hardening discrepancy designing to strengthening gradient nanotwinned Cu.SCRIPTA MATERIALIA,201,5.
MLA Wan, Tao,et al."Work hardening discrepancy designing to strengthening gradient nanotwinned Cu".SCRIPTA MATERIALIA 201(2021):5.
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