Journal
COMPOSITES PART B-ENGINEERING
Volume 48, Issue -, Pages 68-78Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesb.2012.12.001
Keywords
Polymer-matrix composites (PMCs); High-temperature properties; Analytical modelling; Fire
Funding
- Cooperative Research Centre for Advanced Composite Structures Limited (CRC-ACS)
- United States Office of Naval Research [N00014-07-10514]
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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. (c) 2012 Elsevier Ltd. All rights reserved.
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