The effect of cryogenic rolling on the formation of ultra-fine grains in 5052 Al alloy

被引：0
|
作者：
Lee, YB [1 ]
Nam, WJ [1 ]
Shin, DH [1 ]
机构：
[1] Kookmin Univ, Sch Adv Mat Engn, Seoul 136702, South Korea
来源：
ULTRAFINE GRAINED MATERIALS III | 2004年
关键词：
cryogenic temperature; ultrafine grain; annealing; Al alloys;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The large deformation at cryogenic temperature would be one of the effective methods to produce large bulk UFG materials. The effects of annealing temperature on microstructure and mechanical properties of the sheets received 88% reduction at cryogenic temperature were investigated for the annealing temperature of 150 similar to 300degrees C, in comparison with those at room temperature. Annealing of 5052 Al alloy deformed 88%, at 200degrees C for an hour, results in the considerable increase of tensile elongation without the great loss of strength and the occurrence of equiaxed grains less than 300nm in diameter.
引用
收藏
页码：363 / 368
页数：6
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