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

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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 languageEnglish
JournalScripta Materialia
Volume66
Issue number11
Pages (from-to)872-877
ISSN1359-6462
DOIs
Publication statusPublished - 2012

Bibliographical note

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

CitationsWeb of Science® Times Cited: No match on DOI

    Research areas

  • Nanotwinned, Copper, Plastic deformation, Nanostructure
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