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High temperature and fire behaviour of continuous glass fibre/polypropylene laminates

Lookup NU author(s): Professor Geoff Gibson, Mariano Otheguy Torres, Naoise Browne, Professor Adrian Mouritz


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This paper reports elevated temperature mechanical property measurements on woven glass fibre/polypropylene composites. Tensile and compressive stress rupture measurements were made on 12 mm thick laminate exposed to 50 kW m−2 heat flux. Behaviour was qualitatively similar to that of thermosetting laminates, but compressive behaviour was significantly inferior, due to a poorer resin–matrix bond, and to the loss of compressive properties at temperatures above the melting point. COM-FIRE, a finite difference implementation of the Henderson Equation, was able to model the thermal and residual resin profiles in the laminate during fire exposure. The thermal predictions were used, in conjunction with the measured mechanical property data, to model changes in elastic properties and stress rupture behaviour in fire. Because of the non-linearity of the tensile stress–strain curves, a 3-parameter model was needed to describe behaviour. In contrast the compressive response could be modelled by a simpler 2-parameter or saw-tooth model.

Publication metadata

Author(s): Gibson AG, Otheguy Torres ME, Browne TNA, Feih S, Mouritz AP

Publication type: Article

Publication status: Published

Journal: Composites Part A: Applied Science and Manufacturing

Year: 2010

Volume: 41

Issue: 9

Pages: 1219-1231

Print publication date: 12/05/2010

ISSN (print): 1359-835X

ISSN (electronic): 1878-5840

Publisher: Pergamon


DOI: 10.1016/j.compositesa.2010.05.004

Notes: Special Issue on 10th Deformation & Fracture of Composites Conference: Interfacial interactions in composites and other applications


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Funder referenceFunder name
MRTN /CT/2005/019198European Union (Marie Curie Momentum Research Transfer Network on Multidisciplinary Research and Training on Composite Materials Applications in Transport Modes)
N00014-04-10026US Office of Naval Research
N00014-07-10514US Office of Naval Research