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Atomistic Origin Of Rate-Dependent Serrated Plastic Flow In Metallic Glasses

文献类型：期刊论文

作者Jiang SY; Jiang MQ(蒋敏强); Dai LH(戴兰宏); Yao YG
刊名Nanoscale Research Letters
出版日期2008
页码524-529
通讯作者邮箱lhdai@lnm.imech.ac.cn
关键词Metallic Glasses Serrated Plastic Flow Strain Rate Molecular Dynamics Shear Bands Molecular-Dynamics Nanoindentation Deformation Behavior Indentation Transition Simulation Liquids Surface
ISSN号1931-7573
通讯作者Dai, LH (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech LNM, Beijing 100080, Peoples R China.
中文摘要Nanoindentation simulations on a binary metallic glass were performed under various strain rates by using molecular dynamics. The rate-dependent serrated plastic flow was clearly observed, and the spatiotemporal behavior of its underlying irreversible atomic rearrangement was probed. Our findings clearly validate that the serration is a temporally inhomogeneous characteristic of such rearrangements and not directly dependent on the resultant shear-banding spatiality. The unique spatiotemporal distribution of shear banding during nanoindentation is highlighted in terms of the potential energy landscape (PEL) theory.
类目[WOS]Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied
研究领域[WOS]Science & Technology - Other Topics ; Materials Science ; Physics
关键词[WOS]SHEAR BANDS ; MOLECULAR-DYNAMICS ; NANOINDENTATION ; DEFORMATION ; BEHAVIOR ; INDENTATION ; TRANSITION ; SIMULATION ; LIQUIDS ; SURFACE
收录类别SCI
语种英语
WOS记录号WOS:000260838900010
公开日期2009-08-03 ; 2009-09-14
源URL[http://dspace.imech.ac.cn/handle/311007/25836]  
专题力学研究所_力学所知识产出(1956-2008)
推荐引用方式
GB/T 7714		 Jiang SY,Jiang MQ,Dai LH,et al. Atomistic Origin Of Rate-Dependent Serrated Plastic Flow In Metallic Glasses[J]. Nanoscale Research Letters,2008:524-529.
APA Jiang SY,蒋敏强,戴兰宏,&Yao YG.(2008).Atomistic Origin Of Rate-Dependent Serrated Plastic Flow In Metallic Glasses.Nanoscale Research Letters,524-529.
MLA Jiang SY,et al."Atomistic Origin Of Rate-Dependent Serrated Plastic Flow In Metallic Glasses".Nanoscale Research Letters (2008):524-529.

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来源：力学研究所

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