Influence of grain size on hot working stresses and microstructures in Mg-3Al-lZn

被引:128
作者
Barnett, MR [1 ]
Beer, AG [1 ]
Atwell, D [1 ]
Oudin, A [1 ]
机构
[1] Deakin Univ, Sch Engn & Technol, CRC Cast Met Mfg, Geelong, Vic 3217, Australia
关键词
hot working; compression test; magnesium alloys; dynamic recrystallization grain size;
D O I
10.1016/j.scriptamat.2004.03.023
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
The influence of the grain size on the deformation of Mg-3Al-lZn was examined in compression at 300 degreesC. At low strains the flow stress increases with increasing grain size. This is interpreted in terms of dynamic recrystallization. Empirical models of dynamic recrystallization are developed and employed to generate a microstructure map. (C) 2004 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码:19 / 24
页数:6
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