变形高温合金在液体火箭发动机中的应用进展及展望  

Application and prospect of wrought superalloy in liquid rocket engine

作　　者：王凯 王东方 刘友强 杨卫鹏 张鹏 WANG Kai;WANG Dongfang;LIU Youqiang;YANG Weipeng;ZHANG Peng(Xi'an Space Engine Company Limited,Xi'an 710100,China)

机构地区：[1]西安航天发动机有限公司,陕西西安710100

出　　处：《火箭推进》2024年第1期57-66,共10页Journal of Rocket Propulsion

基　　金：装备预先航天科技联合基金(6141B06310101)。

摘　　要：变形高温合金以其良好的耐高温、抗氧化、抗热腐蚀性能和较好的冷、热加工性,在液体火箭发动机推力室身部、涡轮壳体、涡轮转子等热端部件中得到了广泛的应用。通过查阅文献,综述了国内外变形高温合金及热加工技术发展现状、液体火箭发动机热端构件对高温合金性能需求、变形高温合金在国内外著名液体火箭发动机中的应用情况。结合液体火箭发动机可回收、高性能、轻量化、低成本的发展趋势,总结了变形高温合金在液体火箭发动机领域的主要发展趋势,包括研发针对液体火箭发动机服役工况的高温合金材料、改进热加工工艺,从而提升高温合金性能、降低高温合金构件制造成本;研发和推广耐高温轻质金属间化合物、降低热端构件质量。Wrought superalloy has been widely used in hot section parts such as liquid rocket engine thrust chambers,turbine shells and turbine rotors because of its excellent high-temperature resistance,oxidation resistance,thermal corrosion resistance as well as good cold and hot workability.The development status of wrought superalloy and thermal processing technology,the performance requirements of wrought superalloy for hot section components of liquid rocket engines,and the application of wrought superalloy in well-known liquid rocket engines are reviewed based on domestic and foreign literature.Based on the development trend of reusability,high performance,light weight and low cost of liquid rocket engines,the main development trends of wrought superalloy in liquid rocket engines have been summarized.To improve the performance of superalloy and reduce the cost of manufacturing by investigating superalloy materials aiming at service conditions of liquid rocket engines and improving the hot working processes.On the other hand,more attention can be paid to developing and promoting high-temperature resistant lightweight intermetallic compounds to reduce the weight of hot section components.

关 键 词：变形高温合金 液体火箭发动机 推力室 涡轮盘 热加工技术 

分 类 号：V434[航空宇航科学与技术—航空宇航推进理论与工程]