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

页码：4739 / 4744

页数：6

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