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Thermal-Mechanical Modelling of Laminates with Fire Protection Coating

Lookup NU author(s): Professor Geoff Gibson

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Abstract

This paper presents a modelling approach to analyse the protection provided by passive and intumescent surface coatings on glass fibre reinforced laminate substrates exposed to fire. The modelling involves a multi-stage analytical approach: (i) thermal analysis of heat transfer from the fire through the surface insulation coating, which includes decomposition and expansion in the case of an intumescent material; (ii) thermal-chemical analysis of heat transfer through the fibreglass laminate substrate (beneath the fire protective coating), including decomposition of the polymer matrix; and (iii) thermal-mechanical analysis of softening and failure of the laminate under in-plane tension or compression loading. The modelling approach is validated using experimental temperature and strength data from fire structural tests performed on woven glass-vinyl ester laminates insulated with passive (ceramic fibre mat) or organic intumescent surface coatings.

Publication metadata

Author(s): Mouritz AP, Feih S, Kandare E, Gibson AG

Publication type: Article

Publication status: Published

Journal: Composites, Part B: Engineering

Year: 2013

Volume: 48

Pages: 68-78

Print publication date: 14/12/2012

Date deposited: 10/12/2012

ISSN (print): 1359-8368

ISSN (electronic): 1879-1069

Publisher: Pergamon

URL: http://dx.doi.org/10.1016/j.compositesb.2012.12.001

DOI: 10.1016/j.compositesb.2012.12.001

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