Prediction Of Shear-Band Thickness In Metallic Glasses

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	Prediction Of Shear-Band Thickness In Metallic Glasses
	Jiang MQ(蒋敏强); Wang WH; Dai LH(戴兰宏); Dai LH
刊名	Scripta Materialia
	2009
通讯作者邮箱	lhdai@lnm.imech.ac.cn
卷号	60 期号:11 页码:1004-1007
关键词	Metallic Glasses Shear Band Shear Transformation Zone Free Volume Transformation Zones Plastic-Deformation Amorphous-Alloys Fracture Flow Mechanism Behavior Defects State
ISSN号	1359-6462
通讯作者	Dai LH
中文摘要	We derive an explicit expression for predicting the thicknesses of shear bands in metallic glasses. The model demonstrates that the shear-band thickness is mainly dominated by the activation size of the shear transformation zone (STZ) and its activation free volume concentration. The predicted thicknesses agree well with the results of measurements and simulations. The underlying physics is attributed to the local topological instability of the activated STZ. The result is of significance in understanding the origin of inhomogeneous flow in metallic glasses. (C) 2009 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
类目[WOS]	Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
研究领域[WOS]	Science & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
关键词[WOS]	TRANSFORMATION ZONES ; PLASTIC-DEFORMATION ; AMORPHOUS-ALLOYS ; FRACTURE ; FLOW ; MECHANISM ; BEHAVIOR ; DEFECTS ; STATE
收录类别	SCI
语种	英语
WOS记录号	WOS:000265359900021
公开日期	2009-08-03 ; 2009-10-09
内容类型	期刊论文
源URL	[http://dspace.imech.ac.cn/handle/311007/26596]
专题	力学研究所_非线性力学国家重点实验室
通讯作者	Dai LH
推荐引用方式 GB/T 7714	Jiang MQ,Wang WH,Dai LH,et al. Prediction Of Shear-Band Thickness In Metallic Glasses[J]. Scripta Materialia,2009,60(11):1004-1007.
APA	蒋敏强,Wang WH,戴兰宏,&Dai LH.(2009).Prediction Of Shear-Band Thickness In Metallic Glasses.Scripta Materialia,60(11),1004-1007.
MLA	蒋敏强,et al."Prediction Of Shear-Band Thickness In Metallic Glasses".Scripta Materialia 60.11(2009):1004-1007.