Manufacturing of Fiber Reinforced Thermoplastics via Automated Powder-towpreg Placement and
F. Kühn, D. May, P. Mitschang
Institut für Verbundwerkstoffe GmbH, Kaiserslautern, Germany
Automated fiber placement offers the possibility to create load-optimized continuous fiber reinforced polymer composites, which is more and more required for high performance composite parts. The possibility of automated fiber placement for thermoplastic composites is currently limited to the processing of fully impregnated and consolidated tapes delivered as a semi-finished product. In order to expand the possibilities for the production of continuous fiber-reinforced thermoplastic composites, a new process chain is developed at IVW using dry rovings and polymer powder in combination with automated fiber placement and direct impregnation. The entire process was investigated and optimized process parameters were defined. Good impregnation results were achieved in the final specimens, whereby the impregnation quality is comparable to that of the reference material, which is a powder prepreg, normally used for the production of organic sheets according to the state of the art.
ITHEC 2018 Manuscript B5
Publication date: 05.04.2019
Manuscript B5 published in Conference Proceedings ITHEC 2018
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