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Shear Stress-Driven Refreshing Capability of Plastic Deformation in Nanolayered Metals
J. W. Yan; X. F. Zhu; B. Yang; G. P. Zhang
2013
Source PublicationPhysical Review Letters
ISSN0031-9007
Volume110Issue:15
AbstractSeverely localized deformation within shear bands can occur much more easily in a metal with nanoscale microstructures, such as nanograined and nanolayered materials. Based on atomic-scale observations, here we show that such locally large deformation (the continuous thinning of the layers) within the indentation-induced shear bands of the Cu/Au nanolayers is essentially attributed to the large shear stress component along the interface, which can refresh the capability of the interface to absorb incoming dislocations through unlocking the product of the dislocation-interface reaction. The results have implications for understanding the interface-mediated mechanisms of plastic deformation and for the engineering application of severe plastic deformation processing of metals at nanoscales. DOI: 10.1103/PhysRevLett.110.155502
description.department[yan, j. w. ; zhu, x. f. ; yang, b. ; zhang, g. p.] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. ; zhang, gp (reprint author), chinese acad sci, inst met res, shenyang natl lab mat sci, 72 wenhua rd, shenyang 110016, peoples r china. ; gpzhang@imr.ac.cn
KeywordAu/cu Multilayers Strength Instability Nanocrystalline Indentation Behavior
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/71616
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
J. W. Yan,X. F. Zhu,B. Yang,et al. Shear Stress-Driven Refreshing Capability of Plastic Deformation in Nanolayered Metals[J]. Physical Review Letters,2013,110(15).
APA J. W. Yan,X. F. Zhu,B. Yang,&G. P. Zhang.(2013).Shear Stress-Driven Refreshing Capability of Plastic Deformation in Nanolayered Metals.Physical Review Letters,110(15).
MLA J. W. Yan,et al."Shear Stress-Driven Refreshing Capability of Plastic Deformation in Nanolayered Metals".Physical Review Letters 110.15(2013).
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