摘要
高温合金涡轮叶片是航空发动机和地面燃气轮机最关键的热端部件之一,其长期工作在复杂的温度场、应力场及燃气腐蚀环境下,易出现多种类型的损伤。如果将仅存在微小损伤的叶片直接报废处理,将会显著增加航空发动机和地面燃气轮机的维护/维修成本,造成资源的极大浪费,因此开展高温合金涡轮叶片损伤修复技术研究对于降低高温合金涡轮叶片修复制造成本具有重大意义。首先阐述了涡轮叶片损伤修复技术研究的必要性,其次对高温合金涡轮叶片的主要损伤形式进行了分类总结,包括表观损伤和内部冶金组织损伤。对目前各种修复技术进行了总结,包括焊接修复技术、激光熔覆修复技术、激光成形修复技术和恢复热处理技术等,分析了各种修复技术的发展情况、优劣及其适用性;最后对未来高温合金涡轮叶片损伤修复技术的发展方向进行了展望。
The turbine blades made of superalloy are among the most critical components in the hot section of aeroengines and gas turbines.Operating within a complex environment of high temperatures,stress,and gas corrosion over extended periods,they are susceptible to various forms of damage.Turbine blades made of superalloy is costly,so it is not economical to replace blades with only minor damage.Therefore,research on the turbine blades damage and repair technology is crucial for reducing the overall repair and manufacturing cost associated with superalloy turbine blades.The necessity for researching turbine blade damage and repair technology was firstly clarified.Then,the main types of service damage experienced by superalloy turbine blades were classified,including internal metallurgical microstructure damage and apparent damage.Various repair technologies were summarized,including welding repair technology,damage repair technology based on additive manufacturing,and recovery heat treatment technologies while analyzing their respective advantages,disadvantages and applicability.Finally,it provides an outlook on the future development direction of superalloy turbine blade repair technologies.
作者
王志成
秦海龙
周海晶
乔立捷
冯可云
郝琛
袁晓飞
谢锦丽
毕中南
WANG Zhicheng;QIN Hailong;ZHOU Haijing;QIAO Lijie;FENG Keyun;HAO Chen;YUAN Xiaofei;XIE Jinli;BI Zhongnan(CISRL-GAONA Co.,Ltd.,Beijing 100081,China;Beijing Key Laboratory of Advanced High Temperature Materials,Central Iron and Steel Research Institute,Beijing 100081,China;Huadian Electric Power Research Institute Co.,Ltd.,Hangzhou 310030,Zhejiang,China)
出处
《钢铁研究学报》
北大核心
2025年第3期269-282,共14页
Journal of Iron and Steel Research
基金
LHT“基于材料损伤的透平叶片寿命预测与延寿技术”资助项目
中国钢研科技集团青年科学基金资助项目。
关键词
高温合金涡轮叶片
服役损伤
焊接修复
激光熔覆修复
激光成形修复
恢复热处理
superalloy turbine blade
service damage
welding repair technology
laser cladding repair technology
laser forming repair technology
repair heat treatment
