Modified Thermoplastic Foam Cores for Structural Thermoplastic Composite Sandwich Structures
J. Grünewald, T. Orth, P. Parlevliet
Airbus Group Innovations, München, Germany
V. Altstädt, Universität Bayreuth, Bayreuth, Germany
Composite sandwich structures offer excellent lightweight properties for the aviation industry. Up to today most sandwich structures are based on fibre reinforced thermoset composite skins, which are adhesively bonded to a honeycomb core. The production costs of these structures are high, since the production is time consuming and the production method requires high machine investment. Therefore the aviation industry is seeking for alternative technologies for the production of sandwich structures. This paper deals with the development of novel thermoplastic composite (TPC) sandwich structures based on modified thermoplastic foam core structures, which are suitable for the aviation industry and could be an alternative for honeycomb sandwiches in certain
applications. The lower mechanical performance of the foam core compared to a honeycomb structure is countered by the development of a foam reinforcement structure. Production times can be reduced by fusion bonding of skins and core.
ITHEC 2016 Manuscript E3
Publication date: 01/10/2016
Manuscript E3 published in Conference Proceedings ITHEC 2016
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