Servizio Comunitario di Informazione in materia di Ricerca e Sviluppo - CORDIS

Continuous fibre reinforced thermoplastic composites

The objective of this project is the characterisation and modelling of the quality of the impregnation of glass fibres by thermoplastics (polyethyleneterephthalate, polyamide-6,6 and polyetherimide) and the durability of the resulting thermoplastic composites. Long cycle times and excess energy requirements are characteristics of the current fabrication process of the products out of semimanufacture tape. This research focusses on the improvement of the impregnation quality of the powder impregnation of bundles of fibres and development of a short cycle stamping process with dielectric heating. In this respect carbon black is added to polyetherimide to make this thermoplastic suitable for dielectric heating. The durability of the final product is investigated by hydrothermal ageing, environmental stress corrosion, fatigue, thermal cycling and creep.

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