Microstructure and texture evolution of Mg alloys during twin-roll casting and subsequent hot rolling

被引：73
|
作者：
Kim, Kyung-Hun [1 ,2 ]
Suh, Byeong-Chan [1 ,2 ]
Bae, Jun Ho [1 ,2 ]
Shim, Myeong-Shik [1 ,2 ]
Kim, S. [3 ]
Kim, Nack J. [1 ,2 ]
机构：
[1] POSTECH, Ctr Adv Aerosp Mat, Pohang 790784, South Korea
[2] POSTECH, GIFT, Pohang 790784, South Korea
[3] Gen Motors R&D Ctr, Warren, MI 48090 USA
来源：
SCRIPTA MATERIALIA | 2010年 / 63卷 / 07期
关键词：
Magnesium alloys; Rolling; Recrystallization; Texture; Twin-roll casting; AZ31 MAGNESIUM ALLOY; MECHANICAL-PROPERTIES; TENSILE PROPERTIES; DEFORMATION; SHEET; BEHAVIOR; STRIP; COMPRESSION; SIMULATION; METALS;
D O I：
10.1016/j.scriptamat.2009.12.010
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
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.
引用
收藏
页码：716 / 720
页数：5
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