Investigation of fatigue failures of titanium alloy blades used in compressor modules of aeroderivative industrial gas turbines

被引：5

作者：

Jasiczek M. ^{[1
]}

Szczéniak D. ^{[2
]}

Kaczorowski J. ^{[2
]}

Innocenti M. ^{[3
]}

机构：

[1] Warsaw Institute of Aviation, Warsaw

[2] General Electric Company Polska Sp. Z O. O., Warsaw

[3] General Electric Nuovo Pignone S.r.l., Florence

来源：

Journal of Failure Analysis and Prevention | 2013年 / 13卷 / 6期

关键词：

Axial compressor blades; Failure; Gas turbine; Ti6Al4V; Titanium alloys;

D O I：

10.1007/s11668-013-9752-8

中图分类号：

学科分类号：

摘要：

Gas turbine axial compressor blades are designed to withstand cyclic stress loading resulting of modal vibrations. However, when surface suffers from foreign object damage, a fatigue crack is likely to initiate. In this paper two failure case-studies of titanium alloy used for aeroderivative gas turbine compressor blades are presented. Both are related to a failure of first stage compressor blades coming from different turbine power ranges. Observed cracks were found at blade spans corresponding to modal vibrations. © 2013 ASM International.

引用

页码：689 / 696

页数：7

共 10 条

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Probl Prochn, 4 (137-144):

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