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Work hardening discrepancy designing to strengthening gradient nanotwinned Cu
Wan, Tao1,2; Cheng, Zhao1; Bu, Linfeng1,3; Lu, Lei1
Corresponding AuthorLu, Lei(llu@imr.ac.cn)
2021-08-01
Source PublicationSCRIPTA MATERIALIA
ISSN1359-6462
Volume201Pages:5
AbstractThis 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.
KeywordGradient nanotwinned Cu Work hardening discrepancy Extra strengthening Strain delocalization Elastic-plastic transition
Funding OrganizationNational 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
Indexed BySCI
Language英语
Funding ProjectNational 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 Research AreaScience & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000670403400011
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/160031
Collection中国科学院金属研究所
Corresponding AuthorLu, Lei
Affiliation1.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
Recommended Citation
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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