Journal
SCRIPTA MATERIALIA
Volume 63, Issue 4, Pages 387-390Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2010.04.031
Keywords
Plastic deformation; Twinning; Deformation structure; Electron back-scattered diffraction (EBSD)
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Funding
- NSFC [50890170, 50461001]
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Strain rate has an important influence on the deformation of metals. Dynamic plastic deformation (DPD) causes a face-centered cubic polycrystalline Cu to deform by twinning. In this paper, we report that for hexagonal close-packed polycrystalline Co, deformation twinning during DPD is similar to that during normal compression. Various tension and compression twins, as well as double twins, take place during deformation. The results also show that the tension and compression twinning can take place in one grain. (C) 2010 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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