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Stuttgart Mühlhausen, Germany

Marx L.,Institute for Metal Forming | Liewald M.,Institute for Metal Forming | Riedmuller K.R.,Institute for Metal Forming
Key Engineering Materials | Year: 2015

The trend towards lightweight construction in automotive engineering causes additional effort and higher expense in vehicle manufacturing, because new materials or, respectively, new material combinations require adapted production and processing methods. Various combinations of metallic and fibre-based structures (GRP-/CFRP components) presuppose convenient joining methods. In this context, an innovative joining method for combining sheet metals with carbon textiles is going to be developed at the Institute for Metal Forming Technology (IFU, University of Stuttgart / Germany). The goal of this research work is motivated by the prevention of any damage of the used textile fibre structures during the joining process (compared to mechanical joining methods like screwing or riveting). Based on the semi-solid forming technology, the new joining process is going to be developed to create a material integrated interlock between fibres and metallic components. This paper deals with the first fundamental investigations, conducted at IFU, which have already shown the technical feasibility of this new type of joining technique. The research work to be carried out comprises the usage of different sheet alloys: the combinations steel-aluminium, aluminium-aluminium and steel-steel are to be joined with layers of carbon fibre fabrics. By this innovative joining method, a firmly bonded and non-aging connection between textile and metallic materials is to be produced, without the need of any adhesive materials or associated preparative cleaning methods. © (2015) Trans Tech Publications, Switzerland.

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