IMECH-IR  > 非线性力学国家重点实验室
Direct atomic-scale evidence for shear-dilatation correlation in metallic glasses
Wang YJ; Jiang MQ(蒋敏强); Tian ZL; Dai LH(戴兰宏); Wang, YJ (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China.
Source PublicationSCRIPTA MATERIALIA
2016-02
Volume112Pages:37-41
ISSN1359-6462
AbstractDirect atomic-scale evidence is presented for the shear-dilatation correlation in metallic glasses via molecular dynamics and first-principles calculations. A quantitative parabolic relationship is established between the atomic local shear and hydrostatic volumetric strains by carrying out statistical analysis on a deformed glass model. The correction is further verified by density functional theory. Our atomistic demonstration of shear-dilatation correlation collaborates with the experimentally observed a few percent volume change in shear bands. It brings quantitative insights into the unique correlation between shear transformation and cavitation in metallic glasses. (C) 2015 Elsevier Ltd. All rights reserved.
KeywordMetallic Glasses Shear-dilatation Molecular Dynamics Density Functional Theory
DOI10.1016/j.scriptamat.2015.09.005
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Indexed BySCI ; EI
Language英语
WOS IDWOS:000365057500008
WOS KeywordMOLECULAR-DYNAMICS ; PLASTIC-FLOW ; MECHANICAL-BEHAVIOR ; AMORPHOUS SOLIDS ; BANDS ; DEFORMATION ; ALLOYS
WOS Research AreaScience & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
Funding OrganizationThe authors acknowledge the financial support from the NSFC (nos. 11402269, 11372315, 11472287, 11132011), the National Key Basic Research Program of China (no. 2012CB937500), and the CAS/SAFEA International Partnership Program for Creative Research Teams.
DepartmentLNM冲击动力学与新型材料力学性能
Classification一类
RankingTrue
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/58377
Collection非线性力学国家重点实验室
Corresponding AuthorWang, YJ (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Wang YJ,Jiang MQ,Tian ZL,et al. Direct atomic-scale evidence for shear-dilatation correlation in metallic glasses[J]. SCRIPTA MATERIALIA,2016,112:37-41.
APA Wang YJ,Jiang MQ,Tian ZL,Dai LH,&Wang, YJ .(2016).Direct atomic-scale evidence for shear-dilatation correlation in metallic glasses.SCRIPTA MATERIALIA,112,37-41.
MLA Wang YJ,et al."Direct atomic-scale evidence for shear-dilatation correlation in metallic glasses".SCRIPTA MATERIALIA 112(2016):37-41.
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