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Fatigue Strength Evaluation of Self-Piercing Riveted Al-5052 Joints
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 Title & Authors
Fatigue Strength Evaluation of Self-Piercing Riveted Al-5052 Joints
Kang, Se Hyung; Hwang, Jae Hyun; Kim, Ho Kyung;
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 Abstract
Self-piercing riveting (SPR) is receiving more recognition as a possible and effective solution for joining automotive body panels and structures, particularly for aluminum parts and dissimilar parts. In this study, static strength and fatigue tests were conducted using coach-peel and cross-tension specimens with Al-5052 plates for evaluation of fatigue strength of the SPR joints. For the static experiment results, the fracture modes are classified into pull-out fracture due to influence of plastic deformation of joining area. During the fatigue tests for the coach-peel and cross-tension specimens with Al-5052, interface failure mode occurred on the top substrate close to the rivet head in the most cycle region. There were relationship between applied load amplitude and life time of cycle N, and were for the coach-peel and cross- tension specimens, respectively. The finite element analysis results for specimens were adopted for the parameters of fatigue lifetime prediction. The relation between SWT fatigue parameter and number of cycles was found to be .
 Keywords
SPR joint;fatigue strength;coach-peel;cross-tension;FEM analysis;
 Language
Korean
 Cited by
 References
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