한국마린엔지니어링학회:학술대회논문집 (Proceedings of the Korean Society of Marine Engineers Conference)
- 한국마린엔지니어링학회 2002년도 춘계학술대회논문집
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- Pages.113-199
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- 2002
A15083-O GMAW 용접시 불활성가스 혼합비가 용접부의 인성에 미치는 영향에 관한 연구
The Influence of Shield Gas Ratio on the Toughness of A15083-0 GMAW Weld Zone
초록
In this study, the toughness was evaluated by using the instrumented Charpy impact testing procedures for A15083-O aluminum alloy used in the LNG carrying and storing tank. The specimens were GMAW welded with four different mixing shield gas ratios (Ar100%+He0%, Ar67%+He33%, Ar50%+He50%, and Ar33%+He67%), and tested at four different temperatures(+25, -30, -85, and -196
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