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Flammability Characteristics of Glass Reinforced Epoxy Composite Materials
Fiber reinforced composite (FRC) materials are used extensively because of their favorable physico-chemical properties and high strength-to-weight ratio. The use of composites in Army vehicles as a means of decreasing weight and enhancing survivability, without reducing personnel safety, has been under study for some time. Although FRC materials are very attractive in terms of their physico-chemical properties, concern for possible fire hazards is understandable, as organic polymers are a major constituent of the materials. This report presents flammability evaluation results for three FRC materials (MTL 6 to 7). In this evaluation, the latest technology developed at Factory Mutual Research Corporation (FMRC) was used. In comparison to ordinary combustibles, such as cellulosics and most nonfire retarded plastics, the three FRC materials have higher resistance to ignition and flame propagation. In comparison to the FRC materials (MTL 1 to 5) investigated in the previous study for the Army Materials Technology Lab, the three FRC materials were found to ignite more easily, and flame propagated beyond the ignition zone. Also, these three materials generated significantly higher amounts of material vapors, CO, smoke and heat than the materials examined earlier (MTL 1 to 5). Thus passive fire protection is required for these materials. This protection can be provided by surface coatings or by surface lamination using highly fire resistant FRC materials such as the fiberglass phenolic examined in the previous study. Epoxy resins, Composites, Fire resistance.
Flammability Characteristics of Glass Reinforced Epoxy Composite Materials
Fiber reinforced composite (FRC) materials are used extensively because of their favorable physico-chemical properties and high strength-to-weight ratio. The use of composites in Army vehicles as a means of decreasing weight and enhancing survivability, without reducing personnel safety, has been under study for some time. Although FRC materials are very attractive in terms of their physico-chemical properties, concern for possible fire hazards is understandable, as organic polymers are a major constituent of the materials. This report presents flammability evaluation results for three FRC materials (MTL 6 to 7). In this evaluation, the latest technology developed at Factory Mutual Research Corporation (FMRC) was used. In comparison to ordinary combustibles, such as cellulosics and most nonfire retarded plastics, the three FRC materials have higher resistance to ignition and flame propagation. In comparison to the FRC materials (MTL 1 to 5) investigated in the previous study for the Army Materials Technology Lab, the three FRC materials were found to ignite more easily, and flame propagated beyond the ignition zone. Also, these three materials generated significantly higher amounts of material vapors, CO, smoke and heat than the materials examined earlier (MTL 1 to 5). Thus passive fire protection is required for these materials. This protection can be provided by surface coatings or by surface lamination using highly fire resistant FRC materials such as the fiberglass phenolic examined in the previous study. Epoxy resins, Composites, Fire resistance.
Flammability Characteristics of Glass Reinforced Epoxy Composite Materials
A. Tewarson (author)
1992
31 pages
Report
No indication
English
Composite Materials , Plastics , Combustion & Ignition , Physical & Theoretical Chemistry , Epoxy resins , Flammability , Composite materials , Fiber reinforced composites , Army , Chemical properties , Chemicals , Coatings , Comparison , Fibers , Fire hazards , Fire protection , Fire resistance , Flame propagation , Flames , Hazards , Heat , Ignition , Industrial plants , Materials , Personnel , Polymers , Propagation , Protection , Ratios , Reduction , Regions , Resistance , Safety , Smoke , Surfaces , Survivability , Time , Vapors , Vehicles , Weight , Reinforcing materials , Carbon monoxide , Glass reinforced materials , Ballistic penetration , Fire propagation index , Flame extinction , Halon 1301
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