Twin stability in highly nanotwinned Cu under compression, torsion and tension

A.M. Hodge; T.A. Furnish; C.J. Shute; Y. Liao; Xiaoxu Huang; Chuanshi Hong; Y.T. Zhu; T.W. Barbee Jr.; J.R. Weertman

doi:10.1016/j.scriptamat.2012.01.027

Twin stability in highly nanotwinned Cu under compression, torsion and tension

A.M. Hodge, T.A. Furnish, C.J. Shute, Y. Liao, Xiaoxu Huang, Chuanshi Hong, Y.T. Zhu, T.W. Barbee Jr., J.R. Weertman

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Abstract

Twin stability under four distinct mechanical loading states has been investigated for highly nanotwinned Cu containing parallel nanotwins 40 nm thick. Observed deformation-induced microstructural changes under tension, compression, tension–tension fatigue and torsion are qualitatively compared in order to assess twin stability as a function of the loading direction and stress. It is observed that the twins are very stable although small microstructural changes vary with deformation mode. Shear bands, deformation-induced grain growth and detwinning are also discussed.
© 2012 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

Original language	English
Journal	Scripta Materialia
Volume	66
Issue number	11
Pages (from-to)	872-877
ISSN	1359-6462
DOIs	https://doi.org/10.1016/j.scriptamat.2012.01.027
Publication status	Published - 2012

Bibliographical note

Viewpoint set no. 49: Strengthening effect of nano-scale twins

Keywords

Nanotwinned
Copper
Plastic deformation
Nanostructure

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title = "Twin stability in highly nanotwinned Cu under compression, torsion and tension",

abstract = "Twin stability under four distinct mechanical loading states has been investigated for highly nanotwinned Cu containing parallel nanotwins 40 nm thick. Observed deformation-induced microstructural changes under tension, compression, tension–tension fatigue and torsion are qualitatively compared in order to assess twin stability as a function of the loading direction and stress. It is observed that the twins are very stable although small microstructural changes vary with deformation mode. Shear bands, deformation-induced grain growth and detwinning are also discussed.{\textcopyright} 2012 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.",

keywords = "Nanotwinned, Copper, Plastic deformation, Nanostructure",

author = "A.M. Hodge and T.A. Furnish and C.J. Shute and Y. Liao and Xiaoxu Huang and Chuanshi Hong and Y.T. Zhu and {Barbee Jr.}, T.W. and J.R. Weertman",

note = "Viewpoint set no. 49: Strengthening effect of nano-scale twins",

year = "2012",

doi = "10.1016/j.scriptamat.2012.01.027",

language = "English",

volume = "66",

pages = "872--877",

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T1 - Twin stability in highly nanotwinned Cu under compression, torsion and tension

AU - Hodge, A.M.

AU - Furnish, T.A.

AU - Shute, C.J.

AU - Liao, Y.

AU - Huang, Xiaoxu

AU - Hong, Chuanshi

AU - Zhu, Y.T.

AU - Barbee Jr., T.W.

AU - Weertman, J.R.

N1 - Viewpoint set no. 49: Strengthening effect of nano-scale twins

PY - 2012

Y1 - 2012

N2 - Twin stability under four distinct mechanical loading states has been investigated for highly nanotwinned Cu containing parallel nanotwins 40 nm thick. Observed deformation-induced microstructural changes under tension, compression, tension–tension fatigue and torsion are qualitatively compared in order to assess twin stability as a function of the loading direction and stress. It is observed that the twins are very stable although small microstructural changes vary with deformation mode. Shear bands, deformation-induced grain growth and detwinning are also discussed.© 2012 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

AB - Twin stability under four distinct mechanical loading states has been investigated for highly nanotwinned Cu containing parallel nanotwins 40 nm thick. Observed deformation-induced microstructural changes under tension, compression, tension–tension fatigue and torsion are qualitatively compared in order to assess twin stability as a function of the loading direction and stress. It is observed that the twins are very stable although small microstructural changes vary with deformation mode. Shear bands, deformation-induced grain growth and detwinning are also discussed.© 2012 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

KW - Nanotwinned

KW - Copper

KW - Plastic deformation

KW - Nanostructure

U2 - 10.1016/j.scriptamat.2012.01.027

DO - 10.1016/j.scriptamat.2012.01.027

M3 - Journal article

SN - 1359-6462

VL - 66

SP - 872

EP - 877

JO - Scripta Materialia

JF - Scripta Materialia

IS - 11

ER -

Twin stability in highly nanotwinned Cu under compression, torsion and tension

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Keywords

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