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- Title
Fatigue Life Assessment of Cruciform Welded Joints Based on Interval Dissipation Energy Method.
- Authors
Liuping WANG; Zhengshun NI; Rui MING; Yingang XIAO; Yongqiang LI; Zhongling HUANG; Ningning LIAO; Chengji MI
- Abstract
In order to take uncertain factors of welding process into account, a dissipated energy-based interval fatigue life estimation approach is presented in this paper. The infrared thermography fatigue life tests are conducted on the specimens of butt-welded joints and cruciform welded joints. Then, the dissipated energy-based interval fatigue life prediction model is built, while interval fatigue parameters are determined and interval curve of asymptotic dissipated energy and fatigue life is obtained. The lifetime assessment of cruciform welded joints based on the suggested model is performed, and the predicted results agree well with the experimental data.
- Subjects
WELDED joints; FATIGUE testing machines; WELDING; THERMOGRAPHY; PREDICTION models
- Publication
Mechanika, 2024, Vol 30, Issue 3, p221
- ISSN
1392-1207
- Publication type
Article
- DOI
10.5755/j02.mech.34796