Tensile and fatigue behavior of SZ, HAZ and BM in friction stir welded joint of rolled 6N01 aluminum alloy plate

被引：30
|
作者：
Sillapasa, K. [1 ]
Surapunt, S. [1 ]
Miyashita, Y. [2 ]
Mutoh, Y. [3 ]
Seo, N. [4 ]
机构：
[1] Thammasat Univ, Dept Ind Engn, Pathum Thani 10200, Thailand
[2] Nagaoka Univ Technol, Dept Mech Engn, Nagaoka, Niigata 9402188, Japan
[3] Nagaoka Univ Technol, Syst Safety Dept, Nagaoka, Niigata 9402188, Japan
[4] Nippon Light Met Ltd, Shimizu Ku, Shizuoka 4213203, Japan
来源：
INTERNATIONAL JOURNAL OF FATIGUE | 2014年 / 63卷
关键词：
Tensile; Friction stir welding; Fatigue behavior; Local fatigue strength; Aluminum alloy; ROOT FLAWS; AL-ALLOY; MICROSTRUCTURES; PARAMETERS; PROPERTY; STRENGTH; STRESS; SPEED;
D O I：
10.1016/j.ijfatigue.2014.01.021
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Tensile and fatigue behavior of a 6N01 aluminum alloy friction stir welded (FSW) joint was studied. The tensile and fatigue tests were carried out for the large plate and small round bar specimens. The small round-bar specimens extracted from base material (BM), heat affected zone (HAZ) and stir zone (SZ). The HAZ exhibited the lowest hardness. The higher tensile and fatigue strengths of SZ were mainly due to fine and homogeneous grains and significant cyclic hardening. Fatigue failure of the large plate specimen including the whole FSW joint part occurred at the lowest hardness location in the HAZ. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：162 / 170
页数：9
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