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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

Failure of Admiralty Brass Condenser Tubes

By
H.S. Khatak
H.S. Khatak
Metallurgy Programme, Indira Gandhi Centre for Atomic Research
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;
J.B. Gnanamoorthy
J.B. Gnanamoorthy
Metallurgy Programme, Indira Gandhi Centre for Atomic Research
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;
P. Rodriguez
P. Rodriguez
Metallurgy Programme, Indira Gandhi Centre for Atomic Research
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Published:
1993
Page range:
91 - 94

Abstract

Leaks developed in 22 admiralty brass condenser tubes. The tubes were part of a condenser that was being used to condense steam from a nuclear power plant and had been in operation for less than 2 years. Analysis identified three types of failure modes: stress-corrosion cracking, corrosion under deposit (pitting and crevice), and dezincification. Fractures were transgranular and typical of stress-corrosion cracking. The primary cause of the corrosion deposit was low-flow conditions in those parts of the condenser where failure occurred. Maintenance of proper flow conditions was recommended.

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H.S. Khatak, J.B. Gnanamoorthy, P. Rodriguez, 1993. "Failure of Admiralty Brass Condenser Tubes", Handbook of Case Histories in Failure Analysis, Khlefa A. Esaklul

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