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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
1
ISBN electronic:
978-1-62708-214-3
Publication date:
1992
Book Chapter

Failure Analysis of Admiralty Brass Condenser Tubes

By
Keneth M. Marden
Keneth M. Marden
Mechanical Engineering Department, Fluor Daniel, Inc.
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;
Keith R. Lewis
Keith R. Lewis
Mechanical Engineering Department, Fluor Daniel, Inc.
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Published:
1992
Page range:
110 - 114

Abstract

Inhibited admiralty brass (UNS C44300) condenser tubes used in a natural-gas-fired cogeneration plant failed during testing. Two samples, one from a leaking tube and the other from an on leaking tube, were examined. Chemical analyses were conducted on the tubes and corrosion deposits. Stress-corrosion cracking was shown to have caused the failure. The most probable corrosive was ammonia or an ammonium compound in the presence of oxygen and water. All of the tubes were replaced.

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Keneth M. Marden, Keith R. Lewis, 1992. "Failure Analysis of Admiralty Brass Condenser Tubes", Handbook of Case Histories in Failure Analysis, Khlefa A. Esaklul

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