航空发动机涡轮叶片超温服役损伤的研究进展

doi:10.11868/j.issn.1001-4381.2020.000134

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摘要涡轮叶片是航空发动机的核心热端部件之一，其安全服役对航空发动机的正常运行至关重要。当发动机遭遇非正常工况时，涡轮叶片的服役温度可能急剧上升并超过正常工作允许温度，即发生超温服役。超温可使叶片遭受严重的组织退化，导致叶片提前失效。本文介绍了航空发动机涡轮叶片过热检查和失效分析的方法，详细阐述了超温服役对显微组织与力学性能影响的研究进展。此外，本文还对高温合金超温服役损伤评价、寿命预测和组织修复提出了展望，为叶片服役评价与失效分析及新型高温合金的研制提供了参考借鉴和理论依据。

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	赵云松
	张迈
	郭小童
	郭媛媛
	赵昊
	刘砚飞
	姜华
	张剑
	骆宇时

关键词 ：涡轮叶片, 超温, 显微组织, 力学性能

Abstract：As one of the core hot components of aeroengines, the safe service of turbine blades is crucial to the operation of aeroengines.When the aeroengines encounter some emergency conditions, the turbine blades may suffer overheating, the temperature of which is much higher than the highest normal operating temperature. Overheating can lead to serious microstructural degradation and even premature failure of turbine blades. In this paper,the methods of overheat inspection and failure analysis were introduced, as well asthe effects of overheating on the microstructural degradation and mechanical propertiesof aeroenginesturbine blades. In addition, the damage assessment, life prediction and microstructure rejuvenation of superalloys after overheating were prospected in this paper, which provide a guidance and theoretical basis for the degradation evaluation and failure analysis of turbine blades as well as the development of new superalloys.

Key words： turbine blade overheating microstructure mechanical property

收稿日期: 2020-02-20 出版日期: 2020-09-17

中图分类号:	TG132.32
	TG156.1

通讯作者: 郭小童(1988-),男,博士,主要从事高温合金服役损伤及评价等研究工作,联系地址:广东省广州市中国电子产品可靠性与环境试验研究所(510610),E-mail:guoxiaotong0713@163.com E-mail: guoxiaotong0713@163.com

引用本文:

赵云松, 张迈, 郭小童, 郭媛媛, 赵昊, 刘砚飞, 姜华, 张剑, 骆宇时. 航空发动机涡轮叶片超温服役损伤的研究进展[J]. 材料工程, 2020, 48(9): 24-33.
ZHAO Yun-song, ZHANG Mai, GUO Xiao-tong, GUO Yuan-yuan, ZHAO Hao, LIU Yan-fei, JIANG Hua, ZHANG Jian, LUO Yu-shi. Recent progress in service induced degradation of turbine blades of aeroengine due to overheating. Journal of Materials Engineering, 2020, 48(9): 24-33.

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http://jme.biam.ac.cn/CN/10.11868/j.issn.1001-4381.2020.000134 或 http://jme.biam.ac.cn/CN/Y2020/V48/I9/24

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