期刊
SCRIPTA MATERIALIA
卷 63, 期 7, 页码 716-720出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2009.12.010
关键词
Magnesium alloys; Rolling; Recrystallization; Texture; Twin-roll casting
类别
资金
- General Motors RD Center
- Fundamental R&D Program for Core Technology of Materials
Microstructure and texture evolution of Mg-6Zn-1Mn-1Al (ZMA611) and Mg-6Zn-1Y (ZW61) alloys have been investigated. It is shown that recrystallization occurs through a shear (deformation) band nucleation mechanism. Alloy composition has a significant effect on the nature of the deformation bands formed during rolling, resulting in a difference in the orientation of recrystallized grains between the two alloys: double twin-related in ZMA611 and tension twin-related in ZW61. Such a contrast in microstructure results in the two alloys having different (00.2) pole figures. (C) 2009 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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