期刊
SCRIPTA MATERIALIA
卷 68, 期 1, 页码 83-86出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2012.09.009
关键词
Magnesium alloys; Plastic deformation; Texture; Twinning; Shear bands
Digital image correlation and acoustic emission were used simultaneously to investigate the near-yielding behavior of textured samples of a magnesium alloy. Distinct band evolution near yielding was monitored in situ and directly related to profuse localized twin formation, verified by ex situ electron backscatter diffraction. The presented results demonstrate for the first time quantitatively in both space and time the dominant role of twinning in the early stages of plastic deformation of magnesium alloys. (C) 2012 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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