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알루미늄 판재의 압출점접합공정에 있어서 접합강도에 관한 연구
이정훈(J. H. Lee),김태현(T. H. Kim),이문용(M. Y. Lee),진인태(I. T. Jin) 한국소성가공학회 2010 한국소성가공학회 학술대회 논문집 Vol.2010 No.10
It was studied that two plates of aluminum can be welded by extru-riveting experiments with extru-rivet welding dies, and that the welding strength and metal flow on the welding section were analyzed by computer simulation according to the welding variable such as the diameter of extrusion insert dies. It was known by computer simulation that welding strength on the welding section of plates could be influenced by the diameter of extrusion insert dies. And it was known by experiments that two plates of aluminum can be welded on a spot point on aluminum plate by extru-rivet welding process, and that welding strength is higher and higher if the diameter of extrusion insert die is smaller and smaller, and that welding strength is the highest when diameter of extrusion insert dies is Ø4.2㎜ in the case that the diameter of rivet is 5㎜, when aluminum 5052 two plates with 1.5㎜ thickness and one plate with 3㎜ thickness for rivet plate are used as welding material.