Joining Technology of Dissimilar Materials for Automotive Components(Ⅱ)
来源期刊：JOURNAL OF RARE EARTHS2004年增刊第2期
论文作者：Meung Ho Rhee Young Myoung Kim Woo Young Chung Jong Ho Song
Key words：multi-material automotive body; dissimilar materials; hybrid laser welding;
Abstract: Joining techniques of dissimilar materials for lightweight multi-material automotive body structure were discussed. The joining of 1 .4 mm thickness steel and 2 mm thickness of Al were performed by the new method that is hybrid laser welding system. After aluminum and steel were welded by laser hybrid welding process, the micro-structure investment and the micro-hardness test were carried out. Hybrid laser welding promises a bright future in joining technology of dissimilar materials for automotive components.
Meung Ho Rhee1，Young Myoung Kim1，Woo Young Chung1，Jong Ho Song1
(1.Korea Automotive Technology Institute,74 Yongjung-Ri,Pungse-Myun,Chonan,Chungnam,330-912,KOREA)
Abstract:Joining techniques of dissimilar materials for lightweight multi-material automotive body structure were discussed. The joining of 1 .4 mm thickness steel and 2 mm thickness of Al were performed by the new method that is hybrid laser welding system. After aluminum and steel were welded by laser hybrid welding process, the micro-structure investment and the micro-hardness test were carried out. Hybrid laser welding promises a bright future in joining technology of dissimilar materials for automotive components.
Key words:multi-material automotive body; dissimilar materials; hybrid laser welding;
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