Handbook of Case Histories in Failure Analysis
Failure of Admiralty Brass Condenser Tubes
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.
H.S. Khatak, J.B. Gnanamoorthy, P. Rodriguez, Failure of Admiralty Brass Condenser Tubes, Handbook of Case Histories in Failure Analysis, Vol 2, Edited By Khlefa A. Esaklul, ASM International, 1993, p 91–94, https://doi.org/10.31399/asm.fach.v02.c9001310
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