特殊防护用润滑脂的研究  

Lubricating Grease for Protection of Slide Track of Rocket Engine

作　　者：肖军[1] 李铁虎[1] 周惠娣[2] 张秋禹[1] 陈建敏[2] 

机构地区：[1]西北工业大学材料科学与工程系,西安710072 [2]中国科学院兰州化学物理研究所固体润滑国家重点实验室,兰州730000

出　　处：《润滑与密封》2003年第3期19-22,共4页Lubrication Engineering

基　　金：某型号国家重点工程资助;航天创新基金资助;国家杰出青年科学基金(59925513)的资助

摘　　要：固体发动机复合推进剂在2000℃以上的燃气两相流对发射装置滑轨的高温烧蚀、超音速热冲蚀-磨损、熔融残渣的粘附烧蚀,以及有腐蚀性残渣的滑轨表面在湿热、盐雾环境中的腐蚀等问题是采用有烟发动机的滑轨式发射装备使用和维护中存在的难题,开展相关的防护研究具有重要的应用背景和理论价值。采用发动机试车台模拟试验和环境条件试验,评估了不同润滑脂高温高速烧粘的防护性能,根据防护脂的结构及其无机和有机改性组分的应用研究,研制出功能与国外同类产品相当的特种润滑防护脂,并通过了实弹发射试验。Damage by high temperature (2000 - 30001) two-phase exhaust ablation of rocket engine, hot residue particles supersonic ( > 5MH) erosion and adhesion-ablation on launcher slide tracks, and corrosion on slide tracks by the residue in damp and hot environment is a tough problem in the service and maintenance of the corresponding apparatus. Thus, difierent kinds of conventional greases and MoS2-doped special greases of varied compositions and properties were tested to get rid of the ablative-adhesive-corrosive effect of the launcher slide tracks. The anti-ablative-adhesive-corrosive lubricating grease of good performance and qualified for the missile field launching test was successfully developed after a series of lab tests and simulating tesl. The resulting grease is applicable to the protection of other devices subjected to similar damp and high temperature service conditions.

关 键 词：防护脂 滑轨 发动机燃气 热冲蚀-磨损 烧粘-腐蚀 模拟试验 润滑脂 导弹 发射装置 

分 类 号：TJ768[兵器科学与技术—武器系统与运用工程] TH117.22[机械工程—机械设计及理论]