Work hardening discrepancy designing to strengthening gradient nanotwinned Cu

doi:10.1016/j.scriptamat.2021.113975

CORC > 金属研究所 > 中国科学院金属研究所

	Work hardening discrepancy designing to strengthening gradient nanotwinned Cu
	Wan, Tao 1,3; Cheng, Zhao 3; Bu, Linfeng 2,3; Lu, Lei 3
刊名	SCRIPTA MATERIALIA
	2021-08-01
卷号	201 页码:5
关键词	Gradient nanotwinned Cu Work hardening discrepancy Extra strengthening Strain delocalization Elastic-plastic transition
ISSN号	1359-6462
DOI	10.1016/j.scriptamat.2021.113975
通讯作者	Lu, Lei(llu@imr.ac.cn)
英文摘要	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.
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
语种	英语
出版者	PERGAMON-ELSEVIER SCIENCE LTD
WOS记录号	WOS:000670403400011
资助机构	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
内容类型	期刊论文
源URL	[http://ir.imr.ac.cn/handle/321006/160030]
专题	金属研究所_中国科学院金属研究所
通讯作者	Lu, Lei
作者单位	1.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China 2.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 3.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, 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.