Print Email Facebook Twitter Effect of fabric architecture, compaction and permeability on through thickness thermoplastic melt impregnation Title Effect of fabric architecture, compaction and permeability on through thickness thermoplastic melt impregnation Author Studer, Julia (University of Applied Sciences and Arts Northwestern Switzerland; Hamburg University of Technology) Dransfeld, C.A. (TU Delft Aerospace Manufacturing Technologies; University of Applied Sciences and Arts Northwestern Switzerland) Jauregui Cano, Jon (University of Applied Sciences and Arts Northwestern Switzerland) Keller, Andre (University of Applied Sciences and Arts Northwestern Switzerland) Wink, Marianne (University of Applied Sciences and Arts Northwestern Switzerland) Masania, K. (ETH Zürich) Fiedler, Bodo (Hamburg University of Technology) Date 2019 Abstract To reduce the cycle time of structural, automotive thermoplastic composites, we investigated the potential of direct thermoplastic melt impregnation of glass fabrics using an injection moulding process. At the high pressures that occur during the process, the effect of the fabric architecture on the impregnation, compaction, volume fraction and permeability of two unidirectional fabrics was studied. Using impregnation experiments with a low viscosity PA6 melt, we identified a favourable processing window resulting in an impregnation time of 5 min. The impregnation experiments with thermoplastic melts demonstrate that textile architectures promoting dual scale flow during impregnation are favourable for complete filling. Based on our findings, thermoplastic compression resin transfer moulding is an efficient processing route for automated production of composite parts with a high fibre volume fraction, if the fabric architecture is adapted for higher processing pressures and by fully utilising dual scale flow. Subject Compression resin transfer mouldingE. Manufacturing/Processing: Injection mouldingFibre tow infiltrationLiquid composite moulding To reference this document use: http://resolver.tudelft.nl/uuid:f985736b-1c1a-4607-b90a-06685785c787 DOI https://doi.org/10.1016/j.compositesa.2019.04.008 Embargo date 2021-04-19 ISSN 1359-835X Source Composites Part A: Applied Science and Manufacturing, 122, 45-53 Part of collection Institutional Repository Document type journal article Rights © 2019 Julia Studer, C.A. Dransfeld, Jon Jauregui Cano, Andre Keller, Marianne Wink, K. Masania, Bodo Fiedler Files PDF Studer_2019_pp.pdf 1.11 MB Close viewer /islandora/object/uuid:f985736b-1c1a-4607-b90a-06685785c787/datastream/OBJ/view