대한용접접합학회:학술대회논문집 (Proceedings of the KWS Conference)

대한용접접합학회 (The Korean Welding and Joining Society)
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내열강재의 마찰용접에 따른 피로수명 특성에 관한 연구

A Study on the Fatigue Life Characteristics of Heat-Resisting Steel

  • 이동길 (조선대학교 기계공학부 대학원) ;
  • 이상열 (목포과학대학 자동차과) ;
  • 정재강 (조선대학교 공과대학 기계공학부)
  • 발행 : 2000.10.01
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초록

The fatigue crack propagation characteristics were investigated for two kind of heat-resisting steel(STR3 and STR35) commonly using in valve material of vehicles. From the experiment, the fatigue life of the specimens notched at bonded line was shown about 19.7％ and 72.2％ lower and the specimens notched at 1.0mmdistance from bonded line was shown about 25.2％ and 99.1％ higher than that of the base metal respectably.

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