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A highly efficient hybrid inductive joining technology for metals and composites

: Kräusel, Verena; Fröhlich, Alexander; Kroll, Martin; Rochala, Patrick; Kimme, Jonas; Wertheim, Rafael


CIRP Annals. Manufacturing Technology 67 (2018), Nr.1, S.5-8
ISSN: 0007-8506
Fraunhofer IWU ()
assembly; composite; induction joining

A hybrid technology of inductive contact joining (ICJ) was developed to join fibre-reinforced thermoplastics (FRP) with metals by using a tool with single-sided heating. In comparison to conventional methods with separate heating, pressing and cooling, the unique new hybrid ICJ process is characterized by combining all three steps into one hybrid process. The maximum temperature is shifted toward the joining zone due to the direct cooling effect of the surface. FE simulations showed the temperature distributions within the joint. The performed experiments provided data for the temperature profile of the process and the resulting strength of the joint, type of damage and microstructural characteristics. Proven advantages include very short cycle time, competitive joint strength and limited influence on the mechanical properties of the metallic component.