Laser-bonding of long fiber thermoplastic composites for structural assemblies

Wolfgang Knapp Sébastien Clement C. Franz Mamane Oumarou 1 Jacques Renard 1
1 MAT - Centre des Matériaux
Abstract : The use of laser light for bonding of long fiber reinforced thermoplastic composites (LFTPC) offers new possibilities to overcome the constraints of conventional joining technologies. Laser specific transmission welding procedures are known in manufacturing of short fiber thermoplastic composites. The technical basics of the joining process and an outline of some material inherent characteristics using long glass fiber reinforced composites with PA resin are discussed. The technical feasibility and the mechanical characterization of laser bonded LFTPC are demonstrated. The results show that the laser provides an alternative joining technique and offers new perspectives to assemble structural components emerging in industrial manufacturing.
Keywords : Laser welding of thermoplastic composites Composite bonding Laser bonding
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Wolfgang Knapp, Sébastien Clement, C. Franz, Mamane Oumarou, Jacques Renard. Laser-bonding of long fiber thermoplastic composites for structural assemblies. Laser Assisted Net Shape Engineering 6, Proceedings of the LANE 2010, Sep 2010, Erlangen, Germany. pp.163-171, ⟨10.1016/j.phpro.2010.08.041⟩. ⟨hal-00565861⟩

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