耐高温阻燃环氧树脂碳纤维复合材料性能研究

Study on properties of high heat resistant and flame retardant epoxy resin matrix CFRP

本文针对耐高温阻燃环氧树脂碳纤维复合材料的力学性能、耐湿热性能、阻燃性能、防火性能进行研究,结果表明,耐高温阻燃复合材料具有良好的力学性能和阻燃性能。其中耐高温阻燃复合材料的阻燃等级为V-0级别,240 s内最大烟密度Dm为5.17,极限氧指数为39.5%,并通过烟毒性及防火试验,基本满足适航相关法规。通过上述性能研究,为阻燃结构功能一体化环氧树脂基复合材料在先进航空飞行器及发动机上的实际应用提供支撑。

Mechanical,hydrothermal,flame retardant and fire protection performance of high heat resistant and flame retardant epoxy resin matrix CFRP is investigated in this article.The results show that the high heat resistant and flame retardant CFRP has great mechanical and flame retardant performance.The flame retardant epoxy resin matrix CFRP has achieved a flame retardant grade of V-0.Its maximum smoke density(Dm)within 240 seconds is 5.17,and its limiting oxygen index(LOI)is 39.5%.Therefore,this material can basically meet airworthiness standard.Above all,research on properties of structural and functional integrated CFRP lays a foundation for the final engineering application in advance aero-craft and aero-engine.