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对航空发动机涡轮叶片蠕变-疲劳交互作用下寿命预测中所涉及的两个关键技术--高温材料本构理论及寿命预测方法进行了系统的综述,评述了各种理论的基本思想、特点及进一步的发展方向。通过上述分析,总结了对航空发动机涡轮叶片进行可靠的寿命预测应具备的基本过程。
This paper reviews two key technologies involved in life prediction under the creep-fatigue interaction of aeroengine blades-the constitutive theory of high-temperature materials and life prediction methods, and reviews the basic ideas and characteristics of various theories Further development direction. Through the above analysis, the basic process of predicting the life expectancy of aeroengine turbine blades is summarized.