The improvement of strength and ductility in ultra-fine grained 5052 Al alloy by cryogenic- and warm-rolling

被引：35
|
作者：
Kang, U. G. [1 ]
Lee, J. C. [1 ]
Jeong, S. W. [1 ]
Nam, W. J. [1 ]
机构：
[1] Kookmin Univ, Sch Adv Mat Engn, Seoul 136702, South Korea
来源：
JOURNAL OF MATERIALS SCIENCE | 2010年 / 45卷 / 17期
关键词：
MECHANICAL-PROPERTIES; MICROSTRUCTURES; SIZE;
D O I：
10.1007/s10853-010-4573-6
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effects of deformation temperatures and post-deformation annealing on mechanical properties, in conjunction with microstructural evolution in the 5052 Al alloy, were investigated. The combination of cryogenic-rolling with warm-rolling effectively increased tensile strength and yield strength without the decrease of ductility through the formation of ultra-fine grains with dynamic recovery in the 5052 Al alloy. And static annealing, as a post-heat treatment, enhanced the ductility. Therefore, ultra-fine grained 5052 Al alloy with high strength and a moderate level of ductility could be made by the combination of cryogenic-rolling with warm-rolling and the additional static annealing process.
引用
收藏
页码：4739 / 4744
页数：6
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