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ASM Failure Analysis Case Histories

Handbook of Case Histories in Failure Analysis

Edited by
Khlefa A. Esaklul
Khlefa A. Esaklul
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ASM International
Volume
2
ISBN electronic:
978-1-62708-215-0
Publication date:
1993
Book Chapter

Hot Corrosion of Stage 1 Nozzles in an Industrial Gas Turbine

By
Sarah Jane Hahn
Sarah Jane Hahn
Radian Corporation
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Published:
1993
Page range:
502 - 505

Abstract

The first-stage nozzles of a high-pressure turbine section of an industrial gas turbine exhibited leading and trailing-edge deterioration. The nozzles were made of X-40, a cobalt-base alloy, and were aluminide coated. Failure analysis determined that the deterioration was the result of hot corrosion caused by a combination of contaminants, cooling-hole blockage, and coating loss.

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Sarah Jane Hahn, 1993. "Hot Corrosion of Stage 1 Nozzles in an Industrial Gas Turbine", Handbook of Case Histories in Failure Analysis, Khlefa A. Esaklul

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