| Design of Helical SPR for Joining Advanced High Strength Steel and Aluminum Alloy Sheets |
| Dongbum Kim*, Kwan-Woo Kim*, Hae-Yong Cho* |
| *Dept. of Mechanical Engineering, Chungbuk National University, Cheongju 362-763, Korea |
Correspondence:
Hae-Yong Cho Email: hycho@chungbuk.ac.kr
Published online December 31, 2015
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Self-piercing riveting (SPR) is a sheet-joining method that can be used for materials that are difficult or unsuitable for weld, such as aluminum alloys and other steel sheet metals. The increased application of lightweight materials has initiated many investigations into new SPR conditions for riveting dissimilar materials. However, buckling of the semi-tubular rivet occurs during the riveting of AHSS. In this study, a helical SPR was designed for the riveting of AHSS and Al-alloy. In addition, the reinforced helical SPR which has straight parts was designed. The riveting of AHSS and Al-alloy was simulated. Simulated results were verified by comparison with experimental ones. |
| Keywords:
Self-piercing riveting(SPR) | Helical SPR | Advanced high strength steels(AHSS) | SILAFONT | Finite element analysis(FEA) | CP1470
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