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Macro deformation twins in single-crystal aluminum · arXivDesk

1510.04404Oct 15, 20154 pages and 4 figures

Macro deformation twins in single-crystal aluminum

F. Zhao, L. Wang, D. Fan, B. X. Bie, X. M. Zhou, T. Suo, Y. L. Li, M. W. Chen +4

Abstract

Deformation twinning in pure aluminum has been considered to be a unique property of nanostructured aluminum. A lingering mystery is whether deformation twinning occurs in coarse-grained or single-crystal aluminum, at scales beyond nanotwins. Here, we present the first experimental demonstration of macro deformation twins in single-crystal aluminum formed under ultrahigh strain-rate ( $\sim$ 10 $^6$ s $^{-1}$ ), large shear strain (200 $\%$

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Researchers working in cond-mat.mtrl-sci and adjacent areas.

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The paper addresses: Macro deformation twins in single-crystal aluminum.
Deformation twinning in pure aluminum has been considered to be a unique property of nanostructured aluminum.

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Author comment: 4 pages and 4 figures

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