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Overview of Current Challenges in Self-Pierce Riveting of Lightweight Materials
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1  Fraunhofer Institute for Machine Tools and Forming Technology IWU


This paper shows an overview of different analyses regarding current challenges at self-pierce riveting with solid rivets as well as semi-tubular rivets of lightweight materials like aluminum die casting, carbon fiber reinforced plastic and 7xxx series aluminum alloy. The joining process analyses will demonstrate the cause and the development as well as the influence on joint quality of individual joining process-induced defects. In addition, methods are described how these imperfections can be avoided or reduced.

Keywords: mechanical joining; lightweight materials; self-pierce riveting