Influences of post-weld heat treatment on tensile properties of friction stir-welded AA6061 aluminum alloy joints

被引：178
|
作者：
Elangovan, K. [2 ]
Balasubramanian, V. [1 ]
机构：
[1] Annamalai Univ, Dept Mfg Engn, CEMAJOR, Annamalainagar 608002, Tamil Nadu, India
[2] Annamalai Univ, Dept Mfg Engn, Dept Mech & Prod Engn, Annamalainagar 608002, Tamil Nadu, India
来源：
MATERIALS CHARACTERIZATION | 2008年 / 59卷 / 09期
关键词：
aluminum alloy; friction stir welding; solution treatment; artificial aging; tensile properties;
D O I：
10.1016/j.matchar.2007.09.006
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper reports on studies of the influences of various post-weld heat treatment procedures on tensile properties of friction stir-welded AA6061 aluminum alloy joints. Rolled plates of 6-mm thick AA6061 aluminum alloy were used to fabricate the joints. Solution treatment, an artificial aging treatment and a combination of both were given to the welded joints. Tensile properties such as yield strength, tensile strength, elongation and joint efficiency were evaluated. Microstructures of the welded joints were analyzed using optical microscopy and transmission electron microscopy. A simple artificial aging treatment was found to be more beneficial than other treatment methods to enhance the tensile properties of the friction stir-welded AA6061 aluminum alloy joints. (C) 2007 Elsevier Inc. All rights reserved.
引用
收藏
页码：1168 / 1177
页数：10
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