Influence of thermomechanical aging on microstructure and mechanical properties of 2519A aluminum alloy

被引：9
|
作者：
Wang Hui-min [1 ]
Xia Chang-qing [1 ]
Lei Pan [1 ]
Wang Zhi-wei [1 ]
机构：
[1] Cent S Univ, Sch Mat Sci & Engn, Changsha 410083, Peoples R China
来源：
JOURNAL OF CENTRAL SOUTH UNIVERSITY OF TECHNOLOGY | 2011年 / 18卷 / 05期
关键词：
pre-aging deformation; precipitation hardening; tensile properties; aluminum alloys; ALUMINUM-ALLOY-2519; BEHAVIOR;
D O I：
10.1007/s11771-011-0844-x
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The influence of thermomechanical aging on microstructure and mechanical properties of 2519A aluminum alloy was investigated by means of microhardness test, tensile test, optical microscopy (OM) and transmission electron microscopy (TEM). The results show that 50% cold rolling deformation prior to aging is beneficial since it promotes a more homogeneous distribution of the precipitation phase and reduces the number of precipitation phase on the grain boundaries, and thus shrinks the total volume of precipitation-free zones at grain and sub-grain boundaries. As a result, the tensile properties of 2519A aluminum alloy have been significantly improved.
引用
收藏
页码：1349 / 1353
页数：5
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