期刊
SCRIPTA MATERIALIA
卷 65, 期 9, 页码 823-826出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2011.07.046
关键词
Magnesium; Twinning; Dynamic recrystallization; EBSD; Texture
类别
资金
- Department of Energy [DE-FC-26-06NT42755]
- Center for Advanced Vehicular Systems (CAVS) at Mississippi State University
A novel and interesting dynamic recrystallization (DRX) mechanism was observed in a Mg-Al-Zn-Mn magnesium alloy (AZ61) extruded at 450 degrees C. The misorientation distribution of the dynamically recrystallized grains was measured by electron backscatter diffraction (EBSD). The results show that a portion of the grains from DRX satisfy the {10 (1) over bar2} < 10 (1) over bar(1) over bar > twin orientation relationship and indicate that twinning plays an important role in DRX. The EBSD image-quality maps show that the morphologies of the twin boundaries are rough and incoherent. (C) 2011 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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