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Post-fire mechanical properties of glass-reinforced polyester composites
An investigation into changes in the mechanical properties of glass-reinforced polyester composites after exposure to intense radiant heat is presented. The tension, compression, flexure and interlaminar shear properties fell rapidly with increasing heat flux and heat-exposure time owing, mainly, to charring and delamination cracking caused by burning of the composite. Substantially higher post-fire mechanical properties were attained when the composite was protected from the radiant heat with a thermal barrier coating that delayed the onset of combustion. Analytical models for determining the post-fire tension, compression and flexure properties are presented. The potential use of the models for making preliminary predictions of reductions to the failure loads of glass-reinforced polyester composite structures on marine craft and naval ships, such as decks and bulkheads, caused by fire is discussed.
Post-fire mechanical properties of glass-reinforced polyester composites
An investigation into changes in the mechanical properties of glass-reinforced polyester composites after exposure to intense radiant heat is presented. The tension, compression, flexure and interlaminar shear properties fell rapidly with increasing heat flux and heat-exposure time owing, mainly, to charring and delamination cracking caused by burning of the composite. Substantially higher post-fire mechanical properties were attained when the composite was protected from the radiant heat with a thermal barrier coating that delayed the onset of combustion. Analytical models for determining the post-fire tension, compression and flexure properties are presented. The potential use of the models for making preliminary predictions of reductions to the failure loads of glass-reinforced polyester composite structures on marine craft and naval ships, such as decks and bulkheads, caused by fire is discussed.
Post-fire mechanical properties of glass-reinforced polyester composites
Mouritz, A.P. (author) / Mathys, Z. (author)
Composites Science and Technology ; 61 ; 475-490
2001
16 Seiten, 24 Quellen
Article (Journal)
English
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