Improving flame retardancy of fiber reinforced composites via modified fire-resistant resins and metallic thin film coatings
Murad, Md. Shafinur
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Murad, M. S., Asmatulu, E., Er, O., M., G., Safaker, B., Bahceci, E., . . . Asmatulu, R. (2023). Improving flame retardancy of fiber reinforced composites via modified fire-resistant resins and metallic thin film coatings Composites and Advanced Materials Expo, CAMX,
Fiber reinforced polymeric composites are new classes of advanced materials and have been used in numerous industrial applications, such as transportation, energy, defense, and infrastructure because of their excellent strength, stiffness, corrosion, impact, fatigue and creep properties. However, the polymeric composites suffer from fire and lightning strike damages. Metallic skins can help reduce these damages but are heavier and can corrode in the long service unless the specific metals and alloys are selected and applied. Thermal and electrical conductivity of composites can be significantly increased using thin Ti and Cu films for higher corrosion and fire resistance without adding much weight. The objective of this study was to develop fire retardant fiber reinforced composites using modified resins and metallic Ti and Cu thin films, and test and characterize the properties of the prepared composite structures. Wet-layup process was utilized to produce composite panels under vacuum, and then determine the flame retardant and other physical and chemical properties before and after resin modification and surface film coatings. This study also included the demonstration of small-scale prototype development and implementation processes. The mechanical, chemical, and thermal studies indicated that these highly robust modified resins and conductive metallic films provided superior flame retardancy and mechanical strength on the composite panels. This study may open new avenues to enhance the physical and chemical properties of fiber reinforced composites for different manufacturing industries at various conditions.
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