Improving fatigue strength of welded joints by hammer peening and tig-dressing

被引：0
|
作者：
Anami, K. [1 ]
Miki, C. [1 ]
Tani, H. [1 ]
Yamamoto, H. [1 ]
机构：
[1] Res. Associate Tokyo Inst. of Tech., Dept. of Civil Engineering, 1-12-1, Meguro-ku, 152-8852 Oookayama, Japan
来源：
Structural Engineering/Earthquake Engineering | 2000年 / 17卷 / 01期
关键词：
Fatigue of materials - Residual stresses - Shot peening - Steel testing - Stress concentration - Tensile stress;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The effectiveness of fatigue strength improvement methods, namely TIG-dressing and hammer peening, were examined using out-of-plane gusset welded joints of high strength steel (SM570). In addition, the mechanism of each improvement method was discussed with respect to the decrease in stress concentration and residual stress at the weld toe. Finally, various methods for improving the effectiveness of these fatigue strength improvement methods are proposed.
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