Manufacturing of Unidirectional Stitched Glass Fabric Reinforced Polyamide 6 by Thermoplastic Resin Transfer Moulding

James Murray, Colin Robert, Klaus Gleich, Eddie McCarthy, Conchur O Brádaigh

Research output: Contribution to journalArticlepeer-review

Abstract

This study aims to address barriers which remain to adoption of reactive thermoplastic resin transfer moulding in terms of knowledge and equipment. Glass fibre reinforced polyamide 6 composites with ~52% fibre volume fraction and ~1% voids were produced within 5 minutes using thermoplastic resin transfer moulding by injection of low viscosity monomer precursors and in-situ polymerisation. Unidirectional laminates were produced using injection pressures of around 10% of those required to achieve the same fibre volume fraction and degree of wet-out using a typical thermoset RTM resin, negating the need for expensive equipment. The equipment and process employed are described in detail and the quality and properties of the polymer matrix and composite laminates were characterised extensively in terms of chemical, thermo-morphological and mechanical properties. The paper demonstrates the high quality parts that can be achieved by accurately controlling some of the most important parameters.
Original languageEnglish
Article number108512
JournalMaterials & Design
Volume189
Early online date21 Jan 2020
DOIs
Publication statusE-pub ahead of print - 21 Jan 2020

Keywords

  • Thermoplastic resin
  • mechanical properties
  • resin transfer moulding
  • In-Situ Polymerisation

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