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Journal of KWJS. 2009;27(1):90-94. Published online March 12, 2009.
- Fatigue Assessment of Butt Welded Specimen According to the Existence of the Backplate
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Ju-Ho Han, Seong-Min Kim, Woo-Il Lee, Sung-Won Kang, Myung-Hyun Kim
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- Abstract
- In this study, a series of fatigue test was performed to evaluate the fatigue strength of butt welded specimens. Effective notch stress through finite element analysis was conducted to analyze the fatigue results. As a results, no significant decrease in fatigue strength was observed when backplates were present. The S-N curve that based on effective notch stress appeared a similar fatigue life to FAT 225 curve without reference to existence of backplates.
Keywords :Backplate;Fatigue assessment;Butt weld;Effective notch stress
