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Process and Bonding Modification for Media-based Forming of Complex Continuous Fiber Reinforced Hybrid Parts

Presentation held at ITHEC 2020, 5th International Conference and Exhibition on Thermoplastic Composites, 13-15 October 2020, Virtual Editio
 
: Engelmann, U.; Demmig, S.; Layer, M.; Kroll, L.; Nendel, W.; Drossel, W.-G.; Albert, André; Reese, E.; Harms, T.

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Präsentation urn:nbn:de:0011-n-6058201 (3.7 MByte PDF)
MD5 Fingerprint: bdc341348370ae22f5577225b84fd495
Erstellt am: 22.10.2020


2020, 18 Folien
International Conference and Exhibition on Thermoplastic Composites (ITHEC) <5, 2020, Online>
Englisch
Vortrag, Elektronische Publikation
Fraunhofer IWU ()
hybrid structures; media based forming; composites; failure mode; MERGE

Abstract
This article describes the modification of combined processes which merge injection molding and media-based forming to produce lightweight hybrid structures, saving resources compared to separate processes in sequential order. A tube-based process combination of internal high pressure forming, using gas as pressure medium and injection molding, was investigated. Endless fiber reinforced tubes could be processed this way for the first time in a manner suitable for large-scale production. To support the process modification a numerical approach is created. For this purpose, the failure mode concept according to Cuntze was modified for the three-dimensional stress state to analyze possible failure and leakage. The quality of combination is evaluated via bonding strength and compared to metal-polymer hybrids.

: http://publica.fraunhofer.de/dokumente/N-605820.html