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Abnormal grain coarsening in cyclically deformed gradient nanograined Cu
Long, JZ; Pan, QS; Tao, NR; Lu, L; Lu, L (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Liaoning, Peoples R China.
2018-03-01
Source PublicationSCRIPTA MATERIALIA
ISSN1359-6462
Volume145Pages:99-103
AbstractMicrostructural evolution of gradient nanograined (GNG) Cu was investigated under strain-controlled cyclic deformation. Mechanically driven abnormal grain coarsening initiated from the ultrafine grained subsurface layer and eventually extended to the nanograined top surface with increasing cycles. Abnormal grain coarsening and the formation of dislocation patterns sustain the cyclic plastic strain and postpone the formation of extrusions/intrusions at the top surface, contributing to the enhancement of overall cyclic properties of GNG Cu. (C) 2017 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.; Microstructural evolution of gradient nanograined (GNG) Cu was investigated under strain-controlled cyclic deformation. Mechanically driven abnormal grain coarsening initiated from the ultrafine grained subsurface layer and eventually extended to the nanograined top surface with increasing cycles. Abnormal grain coarsening and the formation of dislocation patterns sustain the cyclic plastic strain and postpone the formation of extrusions/intrusions at the top surface, contributing to the enhancement of overall cyclic properties of GNG Cu. (C) 2017 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
description.department[long, j. z. ; pan, q. s. ; tao, n. r. ; lu, l.] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, liaoning, peoples r china ; [long, j. z.] univ chinese acad sci, 19a yuquan rd, beijing 100049, peoples r china
KeywordSevere Plastic-deformation Nanocrystalline Materials Fatigue Copper Growth Metals Evolution Strength
Subject AreaNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
Funding OrganizationNational Science Foundation of China [51371171, 51471172, 51420105001, U1608257]; key Research program of Frontier Science, CAS
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/79479
Collection中国科学院金属研究所
Corresponding AuthorLu, L (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Liaoning, Peoples R China.
Recommended Citation
GB/T 7714
Long, JZ,Pan, QS,Tao, NR,et al. Abnormal grain coarsening in cyclically deformed gradient nanograined Cu[J]. SCRIPTA MATERIALIA,2018,145:99-103.
APA Long, JZ,Pan, QS,Tao, NR,Lu, L,&Lu, L .(2018).Abnormal grain coarsening in cyclically deformed gradient nanograined Cu.SCRIPTA MATERIALIA,145,99-103.
MLA Long, JZ,et al."Abnormal grain coarsening in cyclically deformed gradient nanograined Cu".SCRIPTA MATERIALIA 145(2018):99-103.
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