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J Weld Join > Volume 30(6); 2012 > Article
Journal of KWJS 2012;30(6):86-91.
DOI: https://doi.org/10.5781/KWJS.2012.30.6.86    Published online December 23, 2012.
Fatigue Assessment of Load-carrying Asymmetric Double Bevel Cruciform Welded Joints using Structural Stress Approach
Seong-Min Kim*, Young-Nam Kim**, Seung-Hyun Lee***, Myung-Hyun Kim*
Correspondence:  Myung-Hyun Kim,
Email: kimm@pusan.ac.kr
Abstract
Fatigue tests and analyses were carried out to investigate fatigue strength and crack initiation point of load-carrying asymmetric double bevel cruciform welded joints. Mesh-insensitive structural stress approach was adopted to estimate high precise fatigue life and crack initiation point. Two different case material and weld shape were considered in this study. Results of fatigue tests and analyses were compared and discussed in consideration of applicability of structural stress approach as the reliable fatigue assessment method of cruciform welded joints.
Key Words: Cruciform welded joint, Structural stress, Fatigue strength, Root crack


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