Stabilizing nanograins in metals with grain boundary relaxation
Zhou, X.; Li, X. Y.; Lu, K.
Corresponding AuthorLi, X. Y.( ; Lu, K.(
AbstractStructural stability of nanograined (NG) metals at elevated temperatures or under mechanical loadings is much reduced relative to that of their coarse-grained counterparts, bottlenecking their processing and applications. In this paper, we present recent progress in stabilization of NG metals with grain boundary (GB) relaxation mediated by interactions of GBs and partial dislocations. Two strategies for inducing GB relaxation were identified in NG and submicro-grained pure metals: plastic deformation of nanograins below critical sizes and rapid heating for forming annealing twins. With the GB relaxation, both thermal stability and mechanical stability of nanograins in several pure metals are enhanced significantly. (C) 2020 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
KeywordStability Nanograined metals Grain boundary relaxation
Funding OrganizationMinistry of Science & Technology of China ; Chinese Academy of Sciences ; Liaoning Revitalization Talents Program
Indexed BySCI
Funding ProjectMinistry of Science & Technology of China[2017YFA0204401] ; Ministry of Science & Technology of China[2017YFA0700700] ; Chinese Academy of Sciences[zdyz201701] ; Liaoning Revitalization Talents Program[XLYC1808008]
WOS Research AreaScience & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000551272900061
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Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorLi, X. Y.; Lu, K.
AffiliationChinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Zhou, X.,Li, X. Y.,Lu, K.. Stabilizing nanograins in metals with grain boundary relaxation[J]. SCRIPTA MATERIALIA,2020,187:345-349.
APA Zhou, X.,Li, X. Y.,&Lu, K..(2020).Stabilizing nanograins in metals with grain boundary relaxation.SCRIPTA MATERIALIA,187,345-349.
MLA Zhou, X.,et al."Stabilizing nanograins in metals with grain boundary relaxation".SCRIPTA MATERIALIA 187(2020):345-349.
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