함정용 배전반 용접부의 용접후처리 방법에 의한 피로강동 증대 효과에 관한 연구 (A Study on Improvement of Fatigue Strength of Electrical Panel Weldments in Naval Vessels by Post Weld Treatment)

서지정보

· 발행기관 : 대한용접접합학회
· 수록지 정보 : 대한용접접합학회지 / 26권 / 4호 / 55 ~ 60페이지
· 저자명 : 김명현, 강민수, 강성원

초록

Structural reliability of electrical panels installed in naval vessels is of critical importance from structural
performance viewpoint. The panels may be exposed to vibration and fatigue loadings from internal and
external sources and wave loading which cause fatigue cracking. In this study, common methods such as
burr grinding and post weld heat treatment (PWHT), for the fatigue strength improvement of weldments
are investigated. Burr grinding is carried out using a electric grinder in order to remove surface defects
and improve the weld bead profile. And also PWHT is carried out for the purpose of removing residual.
The effectiveness of the two post treatment methods is evaluated in terms of fatigue strength improvement
of welded structures.

영어초록

Structural reliability of electrical panels installed in naval vessels is of critical importance from structural
performance viewpoint. The panels may be exposed to vibration and fatigue loadings from internal and
external sources and wave loading which cause fatigue cracking. In this study, common methods such as
burr grinding and post weld heat treatment (PWHT), for the fatigue strength improvement of weldments
are investigated. Burr grinding is carried out using a electric grinder in order to remove surface defects
and improve the weld bead profile. And also PWHT is carried out for the purpose of removing residual.
The effectiveness of the two post treatment methods is evaluated in terms of fatigue strength improvement
of welded structures.

참고자료

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