Fatigue fracture analysis of gas turbine compressor blades

被引：25

作者：

Mokaberi, A. ^{[1
]}

Derakhshandeh-Haghighi, R. ^{[2
]}

Abbaszadeh, Y. ^{[3
]}

机构：

[1] Islamic Azad Univ, Bandar Abbas Branch, Dept Mat Sci & Engn, Bandar Abbas, Iran

[2] Islamic Azad Univ, Dept Mat Sci & Engn, Shiraz Branch, Shiraz, Iran

[3] Bandar Abbas Oil Refining Co, Tech Inspect Dept, Bandar Abbas, Iran

来源：

ENGINEERING FAILURE ANALYSIS | 2015年 / 58卷

关键词：

Compressor blade; Fatigue; Failure analysis; Corrosion pit; GTD450; alloy; FAILURE ANALYSIS; CRACK GROWTH; CORROSION;

D O I：

10.1016/j.engfailanal.2015.08.026

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Gas turbine compressor blades are subjected to centrifugal and vibratory loads. This repeated loading and unloading can reduce the life of the compressor blades. An experimental procedure has been done to investigate the fatigue crack propagation in blades. Microstructure and fracture surface of the blade have been investigated by optical and scanning electron microscopy. Fatigue crack propagation considering the effect of corrosive environment has been studied. Environmental and micro-structural features revealed that the catastrophic fracture was initiated from the corrosion pit on the leading edge of the blade. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：1 / 7

页数：7

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