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하이브리드(CW Nd : YAG Laser+MIG) 용접을 이용한 A5052-H32 맞대기 용접부의 역학적 특성에 관한 연구
김준형(Jun-Hyung Kim),방한서(Han-Sur Bang),엠.에스.비죠이(M.S. Bijoy),전근홍(Geun-Hong Jeon),유재선(Jea-Sun You),방희선(Hee-Seon Bang) 한국해양공학회 2010 韓國海洋工學會誌 Vol.24 No.6
Recently, the application of aluminum alloys has been increasing for lightweight and high quality transport vehicles. Therefore, the proposal has been made to apply high speed hybrid welding methods to the marine grade aluminum alloy (A5052) used for shipbuilding by combining a 3-KW CW Nd : YAG laser and tire MIG welding process. In this study, the characteristics of the welding parameters were investigated for a hybrid butt joint. This paper also describes the determination of the heat distribution in a weldment and tire welding residual stress using a finite element method. Mechanical experimentation was also used to ascertain the reliability of tire weldment.