固体火箭发动机喉衬材料

Throat Materials for Solid Rocket Motors

介绍和综述了固体火箭发动机喉衬用主要材料，包括难熔金属、石墨、碳／碳复合材料、陶瓷材料等，并比较了其优缺点及运用范围，给出了这些材料的热震与烧蚀性能的一些研究进展．

This paper introduces the major materas used in the nozzle throat of solid rocket motors, intiluding reftactory metal, graphite, carbon/carbon composite and ceramic matertal etc, and compares their advantapes and disadvantcaes and their application ranges respectively. The thermai shock and abintion properties of these materials are aiso discussed.