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Fin이 부착된 용접 보조용 구리 엔드 탭의 열전달 특성
최여명(Yeou-Myeong Choi),최윤환(Yoon-Hwan Choi),조상명(Sang-Myung Cho),이연원(Yeon-Won Lee) 대한기계학회 2014 대한기계학회 춘추학술대회 Vol.2014 No.11
When implementing the butt welding, an end-tab is widely used to prevent the defects at the front and back of the welding joint. After welding, the end-tab is removed and the end planes are trimmed by grinding. In oredr to design an efficient end-tab, the structure and material of the end-tab should be studied. The thermal conductivity of the material for the end-tab must be high, so that the remaining heat in the weld zone right after welding is released well to the air through the end-tab. In this study, three types of end-tabs have been investigated to find the effective end-tab. The results show that the end-tab with fin is most desirable one to improve heat transfer.