Proceedings of the KWS Conference (대한용접접합학회:학술대회논문집)

The Korean Welding and Joining Society (대한용접접합학회)
권호 표지

A study on Residual Stress Distribution of a Repair Weldment of Casting

주철 보수용접부의 잔류응력 분포에 관한 연구

  • 김현수 (현대중공업(주) 기술개발본부 산업기술연구소) ;
  • 배상득 (현대중공업(주) 기술개발본부 산업기술연구소) ;
  • 박윤기 (현대중공업(주) 기술개발본부 산업기술연구소)
  • Published : 2003.11.01
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Abstract

In FE analysis for residual stress of a casting, contact force between mould and casting material and gravity force must be considered for exact simulation. Preheating of a repair weldment had a little effects on the reduction of residual stress. However, preheating with hammer peening had a great deal of effects on the reduction of residual stress. A method for estimation of fatigue life for a repair weldment has been established.

Keywords