综述了聚酰亚胺复合材料的研究进展和在航空发动机领域的应用现状。重点介绍了PMR型聚酰亚胺树脂基复合材料的性能特点及其在成熟发动机型上的应用情况,论述了聚酰亚胺复合材料衬套的制备技术、典型产品和研究进展,指出降低成本、提高耐热性、改善工艺稳定性、建立材料数据库是未来航空发动机聚酰亚胺复合材料产品的发展方向。 The research progress of polyimide composites and its application in the field of aeroengine are reviewed. The performance characteristics of PMR polyimide matrix composites and its application in mature engine models were introduced. The preparation technology, typical products and research progress of polyimide composite sleeves were discussed. The cost reduction , Improve heat resistance, improve process stability, the establishment of the material database is the future development direction of aviation engine polyimide composite products.