Transactions of the Korean Society of Machine Tool Engineers (한국공작기계학회논문집)

The Korean Society of Manufacturing Technology Engineers (한국생산제조학회)
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Fatigue Characteristics of Load-Carrying-Cruciform-Fillet-Welded-Joints According to Welding Methods

용접방법에 따른 하중전달 십자형 필렛 용접부의 피로특성

  • 이용복 (홍익대학교 기계공학과) ;
  • 오병덕 (서울정수기능대학 건축설비자동화과)
  • Published : 2003.02.01
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Abstract

In this study, endurance limit and fatigue behavior of load carrying fillet welded cruciform joints depending on commonly used welding methods such as SMAW, SAW, MIG and FCAW are investigated. In respect of endurance limit SMAW specimen showes highest result, and then MIG, SAW, FCAW in descending order. However, SMAW specimen showes lowest crack growth rate and it followed by MIG, FCAW, SAW. By these results, it is needed to use SMAW or MIG welding methods for welding structures with small welding capacity and SAW or FCAW methods for large welding structures with respect to economic benefits and operation efficiency of welding. It was also shown fatigue crack growth rate was more influenced by the strenght of welding materials than the endurance limit of welding materials.

Keywords

References

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