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Lookup NU author(s): Robert Easby, Constandinos Konstantis, Gaetano La Delfa, Vincenzo Urso Miano, Awad Elmughrabi, Professor Adrian Mouritz, Professor Geoff Gibson
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The failure of polyester and phenolic pultrusions under tensile and compressive load and a one sided heat flux of 50 kW m-2 has been studied. A thermal/mechanical model, based on the Henderson equation and laminate theory, has been used to model their behaviour. In tension, significant load bearing capacity was retained over a period of 800 s, due to the residual strength of the glass fibres. However, pultruded composites are susceptible to compressive failure in fire, due to the loss of properties when the resin T g is reached. The fire reaction properties reported here showed the phenolic pultrusions to perform better than polyesters in all fire reaction properties (time to ignition, heat release, smoke and toxic product generation). The measure-ments under load in fire showed that the phenolic system decayed at a slower rate than the polyester, due mainly to the very shallow glass transition of the phenolic, but also the char forming characteristic of the phenolic. The behaviour described here for phenolic pultrusions is superior to that reported for some phenolic laminates, the main reason probably being their lower water content. © 2007 Institute of Materials, Minerals and Mining.
Author(s): Easby RC, Feih S, Konstantis C, La Delfa G, Urso Miano V, Elmughrabi A, Mouritz AP, Gibson AG
Publication type: Article
Publication status: Published
Journal: Plastics, Rubber and Composites
Year: 2007
Volume: 36
Issue: 9
Pages: 379-388
Print publication date: 01/01/2007
ISSN (print): 1465-8011
ISSN (electronic): 1743-2898
Publisher: Maney Publishing
URL: http://dx.doi.org/10.1179/174328907X248212
DOI: 10.1179/174328907X248212
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