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Development of 200 N thruster made from Cf/SiC composite
Author(s): 
Pages: 15-20
Year: Issue:  3
Journal: Journal of Rocket Propulsion

Keyword:  thrusterCf/SiC compositeanti-oxidation coatingbrazing;
Abstract: 为了研制Cf/SiC复合材料推力器,对Cf/SiC复合材料物理性能进行了试验研究,测试了Cf/SiC复合材料在空间复杂环境下的适应性及力学性能;采用化学气象沉积法制备抗氧化涂层;采用自动缠绕成型工艺制备Cf/SiC复合材料喷管;采用Ti-Ni复合钎料进行了高温钎焊试验,获得了最优的钎焊工艺参数,完成了Cf/SiC复合材料与金属铌的钎焊连接;制备了试验样机并进行了热试车考核.结果表明,Cf/SiC复合材料在经历各种空间环境后,仍可保持良好的力学性能,涂层具有较好的抗氧化能力.热试车过程中,稳态试车室压平稳,脉冲工作时,推力器响应迅速,脉冲一致性好;燃烧效率达到设计要求,钎焊缝结构完好,Cf/SiC复合材料喷管无明显烧蚀,热试车圆满成功.
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