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Journal of KWJS 2009;27(1):90-94.
Published online March 12, 2009.
Backplate의 유무에 따른 맞대기 용접 시험편의 피로강도 평가
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Fatigue Assessment of Butt Welded Specimen According to the Existence of the Backplate
Ju-Ho Han, Seong-Min Kim, Woo-Il Lee, Sung-Won Kang, Myung-Hyun Kim
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.
Key Words: Backplate, Fatigue assessment, Butt weld, Effective notch stress
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