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Susceptibility of shear banding to chemical short-range order in metallic glasses
Yang ZY; Wang YJ(王云江); Dai LH(戴兰宏)
AbstractTo clarify the critical role of chemical short-range order on the formation of shear bands in metallic glasses, atomistic simulations are performed on Pd82Si18 and Cu50Zr50 with different cooling history. It is found that shear bands are prone to form in samples with higher level of chemical short-range order. The magnitude of stress overshoot in shear stress-strain curve and the spatial fluctuation of short-range chemical composition are proposed to characterize shear banding susceptibility and chemical short-range order, respectively. A quantitative correlation is therefore established between shear banding and chemical short-range order. The microstructural origin of the correlation is discussed. (C) 2018 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
KeywordMetallic glasses Shear bands Chemical short-range order Molecular dynamics
Indexed BySCI ; EI
WOS IDWOS:000457664900031
WOS Research AreaNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS SubjectScience & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
Funding OrganizationNational Key Research and Development Program of China [2017YFB0702003] ; NSFC [11472287, 11790292, 11672299] ; Strategic Priority Research Program [XDB22040302, XDB22040303] ; Key Research Program of Frontier Sciences [QYZDJSSW-JSC011] ; Youth Promotion Association of Chinese Academy of Sciences
ContributorWang, YJ ; Dai, LH
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Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation{Wang, Yun-Jiang、Dai, Lan-Hong} Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China、Univ Chinese Acad Sci, Sch Engn Sci, Beijing 101408, Peoples R China
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GB/T 7714
Yang ZY,Wang YJ,Dai LH. Susceptibility of shear banding to chemical short-range order in metallic glasses[J]. SCRIPTA MATERIALIA,2019,162:141-145.
APA Yang ZY,王云江,&戴兰宏.(2019).Susceptibility of shear banding to chemical short-range order in metallic glasses.SCRIPTA MATERIALIA,162,141-145.
MLA Yang ZY,et al."Susceptibility of shear banding to chemical short-range order in metallic glasses".SCRIPTA MATERIALIA 162(2019):141-145.
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