树脂基复合材料长时间烧蚀防热的应用研究

介绍了不同再入飞行器热防护材料的特点，指出长时间飞行器对防热层的要求。通过纤维织物改性和树脂基体改性研制了新型防隔热材料，并进行了性能测试和研究。结果表明：新型改性纤维／酚醛复合材料比传统的树脂基防热材料具有更好的隔热性能和抗烧蚀剥蚀性能，能够满足中低焓值、较低热流、烧蚀时间较长（300～700s）防热部件的防隔热要求。

Resin Composites on Long Time Ablation and Thermal Protection

This paper introduced several thermal protective composites on different reentry aero craft and point out the need of new thermal protective composites on long time flight warhead. And produced new thermal protection and heat insulation composites and studied its properties. It is shown that the modified fiber reinforced phenolic resin has higher effect of heat insulation and better capability of withstanding mechanical erosion. And the new composites can be used for heat shield materials which thermal environment is middle and lower enthalpy,low heat flux and long time ablation in 300 -700 s.