Failure of an Aluminum Brass Condenser Tube
Leaks developed at random locations in aluminum brass condenser tubes within the first year of operation of a steam condenser in a nuclear power plant. One failed tube underwent scanning electron microscopy surface examination and optical microscope metallography. It was determined that the tube failed from crevice corrosion under seawater deposits that had formed on the inner surface. Mechanical cleaning of the condenser tubes every 6 months and installation of intake screens of smaller mesh size were recommended.
H.S. Khatak, J.B. Gnanamoorthy, Failure of an Aluminum Brass Condenser Tube, Handbook of Case Histories in Failure Analysis, Vol 2, Edited By Khlefa A. Esaklul, ASM International, 1993, p 192–193, https://doi.org/10.31399/asm.fach.v02.c9001334
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