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Development of a novel consolidation process for continuous-fiber-reinforced thermoplastics

 
: Baumgärtner, S.; Lohr, C.; Henning, F.

European Society for Composite Materials:
17th European Conference on Composite Materials, ECCM 2016. Proceedings : 26-30th June 2016, Munich, Germany, CD-ROM
Munich, 2016
ISBN: 978-3-00-053387-7
European Conference on Composite Materials (ECCM) <17, 2016, Munich>
English
Conference Paper
Fraunhofer ICT ()

Abstract
Consolidation is an essential process step in thermoplastic tape laying. In the present study it has been shown that an inert atmosphere like nitrogen or a vacuum reduces degradation of the material during this process. Based on these findings a novel consolidation approach was developed, in which a vacuum is used to apply pressure to the laminate while infrared radiation heats the thermoplastic material through a transparent mold wall. Beside radiation power, the thickness of the mold wall is a major influencing factor on the cycle time. For thin mold walls, cycle times below one minute for the whole consolidation step can be achieved.

: http://publica.fraunhofer.de/documents/N-491345.html