Infusion characteristics of preforms manufactured by automated dry fibre placement

Laura Veldenz, Simon Astwood, Peter Giddings, Byung Chul Kim, Kevin Potter

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Deposition of dry fibre (DF) material using automated fibre placement (AFP) and high temperature resin impregnation has emerged as a promising alternative to the use of prepreg for manufacturing high value composite structures, especially for large parts. In this process, the AFP machine deposits a course of multiple dry fibre tapes containing epoxy based binder (5-10 wt. %). The binder is thermally activated to adhere the incoming tapes to the substrate. This work is limited to high temperature vacuum-assisted resin infusion as an out-of-autoclave manufacturing route. Within the aim to enhance industrial implementation of this process, understanding of the interaction between automated dry fibre placement and vacuum-assisted resin infusion requires improvement. In this work, the in-plane permeability variation due to varying spacing and frequency of gaps in preforms deposited by AFP was characterised. In addition, the impact of different infusion set-ups resulting in changes in the balance of through-thickness and in-plane resin permeation, on flow front progression was investigated experimentally. The findings inform material specific manufacturing guidelines for AFP manufacture of an aerospace component.
Original languageEnglish
Number of pages1
Publication statusPublished - 14 Nov 2017
EventSAMPE Europe 2017 - Filderhalle Leinfelden-Echterdingen GmbH, Stuttgart, Germany
Duration: 14 Nov 201716 Nov 2017


ConferenceSAMPE Europe 2017
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