周煜,张峥,赵子华,钟群鹏

• 1:北京航空航天大学空天材料与服役教育部重点实验室材料科学与工程学院

摘要(Abstract)：

涡轮叶片延寿是航空发动机亟待解决的关键问题,损伤恢复处理技术是保障发动机长寿命、高可靠性和低成本运行的重要手段。介绍了针对涡轮叶片蠕变损伤的延寿技术研究现状与进展,根据各种延寿方法的特点分析了从简单热处理到恢复热处理和热等静压(HIP)修复的延寿技术发展历程,指出了蠕变损伤修复的一般性原则和HIP修复技术的优点。重点阐述了蠕变空洞在HIP作用下的愈合机理,并介绍了主要的空洞烧结模型。指出了延寿技术研究中存在的问题,给出了在我国开展HIP修复技术研究的建议和思路。

关键词(KeyWords)： 发动机;涡轮叶片;蠕变损伤;热等静压;热处理

Abstract:

Keywords:

基金项目(Foundation): 中航工业产学研合作创新工程(201110026-01)

作者(Author): 周煜,张峥,赵子华,钟群鹏

DOI: 10.13289/j.issn.1009-6264.2012.12.001

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