A New Process Chain for Joining Sheet Metal to Fibre Composite Sheets

Raoul Plettke; Adam Schaub; Christian Gröschel; Chritian Scheitler; Martina Vetter; Oliver Hentschel; Florian Ranft; Marion Merklein; Michael Schmidt; Dietmar Drummer

doi:10.4028/www.scientific.net/KEM.611-612.1468

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 611-612A New Process Chain for Joining Sheet Metal to...

A New Process Chain for Joining Sheet Metal to Fibre Composite Sheets

Abstract:

Mixed-Materials parts have great light-weight potential for the automotive application to reduce the carbon footprint. But the joining of fibre composite plastic sheets to metal sheets is in practical application limited to adhesive bonding or mechanical joining with additional fastener elements due to the large differences in physical properties. A new process chain based on plastic joining without fastener elements is proposed and first results on the mechanism and on the achievable strength of the new joints are shown. The process chain consists of three steps: First joining pins are added to the sheet metal by an additive manufacturing process. In a second step these pins are pierced through the fibre composite sheet with a local heating of the thermoplastic in an overlap setup. In the third and last step the joint is created by forming the pins with the upsetting process to create a shape lock. The shear strength of the joined specimens was tested in a tensile testing machine. The paper shows that even with a non-optimized initial setup joints can be realised and that the new process chain is a possible alternative to adhesive bonding.

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Periodical:

Key Engineering Materials (Volumes 611-612)

Pages:

1468-1475

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.611-612.1468

Citation:

Cite this paper

Online since:

May 2014

Authors:

Raoul Plettke*, Adam Schaub, Christian Gröschel, Chritian Scheitler, Martina Vetter, Oliver Hentschel, Florian Ranft, Marion Merklein, Michael Schmidt, Dietmar Drummer

Keywords:

Aluminum (Al), Endless-Fibre Reinforced Plastics, Joining, Joining by Forming, Mixed Materials, Titanium

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* - Corresponding Author

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