Fatigue design approach for the spot-welded T-type member using a simulated single spot-welded joint

被引：0
|
作者：
D. H. Bae
G. Y. Lee
S. K. Park
机构：
[1] Sungkyunkwan University,School of Mechanical Engineering
[2] Sungkyunkwan University,Graduated School, Mechanical Engineering Department
[3] Sungkyunkwan University,Civil and Environmental Engineering
来源：
International Journal of Automotive Technology | 2008年 / 9卷
关键词：
Fatigue design; Spot-welded T-type member; Single spot-welded joint; Fatigue strength; Fatigue design criterion; Stress distribution;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In order to develop a fatigue design method for actual railroad car and commercial vehicle body structures using the fatigue data of simulated single spot-welded lap joints, we first analyzed the stress distribution and evaluated fatigue strength of spot-welded T-type members that are the components of actual railroad car and commercial vehicle body structures. Next, fatigue design approach of these members using the fatigue data of single spot-welded lap joints was investigated. From our results, we found that, even though there was a quantitative difference of fatigue strength between the single spot-welded joint and the actual members over the same number of fatigue cycles, through the use of appropriate correction, the fatigue design criterion of actual spot-welded members, such as those used in railroad car and commercial vehicle body, can be predicted using the fatigue strength of single spot-welded joint.
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页码：197 / 201
页数：4
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