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JWJ > Volume 27(1); 2009 > Article
Journal of KWJS 2009 February;27(1) :90-94.
Published online March 12, 2009.
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




Correspondence:   Published online March 12, 2009
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
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