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Twinning-induced softening in polycrystalline AM30 Mg alloy at moderate temperatures

par Jiang, Lin ;Jonas, J.J.;Luo, Alan;Sachdev, Anil;Godet, Stéphane
Référence Scripta materialia, 54, 5, page (771-775)
Publication Publié, 2006

Article révisé par les pairs

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Résumé :

The effect of deformation twinning oil the strain hardening behavior of a polycrystalline AM30 Mg alloy was investigated. At temperatures < 150 degrees C, somewhat unusually, the n value increases with increasing temperature and decreasing strain rate. The softening effect C! induced by double and contraction twinning is responsible for the abnormal strain hardening behavior. (c) 2005 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.