The effect of differential speed rolling on microstructure and mechanical properties of an AZ31 alloy sheet

被引:4
|
作者
Jeong, H. G. [1 ]
Jeong, Y. G.
Yoon, D. J.
Choi, S.
Kim, W. J.
机构
[1] Korea Inst Ind Technol, Digital Prod Proc & Forming Team, Prod Technol Div, Seoul, South Korea
[2] Hongik Univ, Dept Mat Sci & Engn, Seoul 121791, South Korea
来源
关键词
differential speed rolling; AZ31 Mg alloys; mechanical properties;
D O I
10.4028/www.scientific.net/SSP.116-117.235
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Magnesium alloy AZ31, which processed by conventional rolling or extrusion, has high anisotropy of mechanical properties in its strength and elongation at room temperature. We compared the influence of differential speed rolling with conventional rolling process on microstructure and mechanical properties of commercial AZ31 sheet. Commercial AZ31 alloy sheets were processed with conventional and differential speed rolled with thickness reduction ratio of 30% at a various temperature. The elongation of AZ31 alloy, warm-rolled by differential speed rolling is larger than rolled by conventional rolling. Besides, grain size and distribution on microstructure of the conventional rolling were coarsely(similar to 30 mu m) and inhomogeneously but, that those of the differential speed rolling were fine(similar to 13 mu m) and homogeneously.
引用
收藏
页码:235 / 238
页数:4
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