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논문 기본 정보

자료유형
학술저널
저자정보
Md Abdul Karim (Tennessee Technological University) Siva Prasad Murugan (La Rochelle University) KiMan Bae (ILJI TECH) Jongjin Baek (ILJI TECH) Changwook Ji (Korea Institute of Industrial Technology) Wooram Noh (Korea Institute of Industrial Technology) Han-Ju Lee (Dong-Eui University) Will Jang (Jinhap Bollhoff) Duck Bong Kim (Tennessee Technological University) Yeong-Do Park (Dong-Eui University)
저널정보
대한용접·접합학회 대한용접·접합학회지 大韓熔接·接合學會誌 第40卷 第6號
발행연도
2022.12
수록면
512 - 524 (13page)

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초록· 키워드

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Three types of self-piercing riveting (SPR) joints, i.e., steel/aluminum, carbon fiber reinforced polymer (CFRP)/aluminum, and aluminum/aluminum, were constructed using three different top sheet materials with the same aluminum alloy as the bottom sheet. The effects of the top sheet material on the joint quality and mechanical behavior were evaluated. The top sheet materials’ characteristics dominate the rivet piercing process and the consequent interlock distance. The high-strength steel top sheet requires a comparatively higher rivet setting force and induces early flaring of the rivet tail, resulting in a larger interlock distance. Though the CFRP needs the highest rivet setting force to penetrate the rivet through the CFRP fibers, the CFRP/aluminum joint exhibits the smallest interlock distance because of the SPR process-induced damages to the CFRP and subsequently less flaring of the rivet tail. In strength tests, the damaged CFRP sheet resulted in rivet head pullout of the CFRP/aluminum joints, which exhibited the lowest lap-shear and cross-tension strengths. In contrast, the steel/aluminum joints demonstrated the highest strengths because of their comparatively larger interlock distances. In addition to the experimental analysis, simulations revealed the rivet penetration and flaring mechanisms with various top sheet materials, and their respective joint quality and strengths.

목차

Abstract
1. Introduction
2. Materials and methods
3. Results and discussion
4. Conclusions
References

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