关键词: 火箭发动机喷管;固体火箭发动机;复合材料;烧蚀试验

Abstract: In this paper the status of investigations of solid rocket nozzle erosion experiments is summarized. A tiny rectangular test device for erosion experiments is developed,on the practicality and the economy of which a comment is made emphatically, and some test results are also presented.

Key words: Rocket engine nozzle;Solid rocket engine;Composite material;Ablation test