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International Journal of Automotive Technology > Volume 7(5); 2006 > Article
International Journal of Automotive Technology 2006;7(5): 565-570.
CRUSHING CHARACTERISTIC OF DOUBLE HAT-SHAPED MEMBERS OF DIFFERENT MATERIALS JOINED BY ADHESIVE BONDING AND SELF-PIERCING RIVET
M. H. LEE1, H. Y. KIM2, S. I. OH1
1Seoul National University
2Kangwon National University
ABSTRACT
The development of a light-weight vehicle is in great demand for enhancement of fule efficiency and dynamic performance. The vehicle weight can be reduced effectively by using lightweight materials such as aluminum and magnesium. However, if such materials are used in vehicles, there are often instances when different materials such as aluminum and steel need to be joined to each other. The conventional joining method, namely resistance spot welding, cannot be used in joining different materials. Self-piercing rivet (SPR) and adhesive bonding, however, are good alternatives to resistance spot welding. This paper is concerned with the crushing test of double hat-shaped member made by resistance spot welding, SPR and adhesive bonding. Various parameters of crashworthiness are analyzed and evaluated. Based on these results, the applicability of SPR and adhesive bonding are proposed as an alternative to resistance spot welding.
Key Words: Different materials, Self-piercing rivet, Adhesive bonding, Crush test, Double hat-shape
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