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Laser-bonding of long fiber thermoplastic composites for structural assemblies

: Knapp, W.; Clement, S.; Franz, C.; Oumarou, M.; Renard, J.

Postprint (581 KByte; PDF; )

Schmidt, M.:
LANE 2010, 6th International Conference on Laser Assisted Net Shape Engineering. Proceedings. Pt.2 : Erlangen, September 21-24, 2010
Amsterdam: Elsevier, 2010 (Physics Procedia 5.2010, Nr.2)
International Conference on Laser Assisted Net Shape Engineering (LANE) <6, 2010, Erlangen>
Conference Paper, Journal Article, Electronic Publication
Fraunhofer ILT ()

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.