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Revealing the tunable twinning/detwinning behavior in 25 nm Cu/Au multilayers
J. W. Yan; G. P. Zhang
2013
Source PublicationApplied Physics Letters
ISSN0003-6951
Volume102Issue:21
AbstractStability of nanotwins during plastic deformation is an important factor to control plasticity of nanotwinned metals. Based on transmission electron microscopy observations of the 25 nm Cu/Au multilayers deformed by indentation, we found that the nanotwins in the Cu and the Au layers have different stabilities through twinning/detwinning. The mechanism-based criterion for the stability of the nanotwins under applied stress proposed here reveals that the tunable twinning/detwinning ability is related to the residual stress in the nanolayered material. The present results may provide a clue for the modulation of plasticity of nanotwinned multilayers through the nanotwin stability. (C) 2013 AIP Publishing LLC.
description.department[yan, j. w. ; 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
KeywordMolecular-dynamics Simulation Stacking-fault Energy Fcc Metals NanocrystAlline Al Thin-films Twin Dislocation Strength Mechanism Slip
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/71614
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
J. W. Yan,G. P. Zhang. Revealing the tunable twinning/detwinning behavior in 25 nm Cu/Au multilayers[J]. Applied Physics Letters,2013,102(21).
APA J. W. Yan,&G. P. Zhang.(2013).Revealing the tunable twinning/detwinning behavior in 25 nm Cu/Au multilayers.Applied Physics Letters,102(21).
MLA J. W. Yan,et al."Revealing the tunable twinning/detwinning behavior in 25 nm Cu/Au multilayers".Applied Physics Letters 102.21(2013).
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