Failure Analysis of a Heavy Duty Gas Turbine Blade*

被引：2
|
作者：
Asadikouhanjani, S. [1 ]
Torfeh, M. [1 ]
Ghorbanf, R. [1 ]
机构：
[1] Mapna Turbine Blade Engn & Mfg Co, Tehran, Iran
来源：
STRENGTH OF MATERIALS | 2014年 / 46卷 / 05期
关键词：
failure analysis; type II hot corrosion; hot corrosion fatigue; gas turbine;
D O I：
10.1007/s11223-014-9589-8
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The failure analysis of a broken blade with 25,000 EOH of operation has been carried out. The complementary analysis that consists of metallurgical and fractography techniques have been employed. The results of fractography proved that the cracks initiated from hot corrosion pits on the airfoil and propagated by hot corrosion fatigue mechanism and led to blade fracture.
引用
收藏
页码：608 / 612
页数：5
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