Abstract 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.
Fatigue design approach for the spot-welded T-type member using a simulated single spot-welded joint
International Journal of Automotive Technology ; 9 , 2 ; 197-201
2008-04-01
5 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
Fatigue design approach for the spot-welded T-type member using a simulated single spot-welded joint
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