摘要
以某重型燃气轮机服役24000h的一级动叶为例,在一级动叶外观、材质解析的基础上,采用金相等试验方法对一级动叶叶尖挡板区域显微组织进行分析,确认一级动叶叶尖挡板区域的裂纹性质为疲劳裂纹。
Taking the first stage rotor of a heavy-duty gas turbine that has been in service for 24000 hours as an example,the metallographic test method is used to analyze the microstructure of the blade tip shroud region based on the analysis of appearance and material of the first stage blade.It is confirmed that the nature of the cracks in the blade tip shroud region of the first stage rotor is fatigue crack.
作者
丁勇能
江峰
丁浩俊
DING Yongneng;JIANG Feng;DING Haojun(Hangzhou Huadian Jiangdong Thermal Co.,Ltd.,Hangzhou 311228,Zhejiang,China;Hangzhou Huadian Banshan Power Generation Co.,Ltd.,Hangzhou 310015,Zhejiang,China;Tianyuan College,Hangzhou 311100,Zhejiang,China)
出处
《工程与试验》
2025年第3期101-104,共4页
Engineering and Test
基金
中国华电集团公司科技项目HDPIKJ13-02-08。
关键词
燃气轮机
一级动叶
裂纹
显微组织
gas turbine
first stage rotor
cracks
microstructure
