Corrosion of copper and copper alloy heat exchangers

Abstract:

Twenty failure analysis caused by corrosion in copper and copper alloys heat exchangers were accomplished at Corrosion and Electrodeposition Laboratory of IPT between 1968 and 1988. This work is a review of these failures, the types of failure and their causes being described. The prevailing failures were by stress corrosion, pitting corrosion, erosion-corrosion and dezincification, the latter almost always being associated to stress corrosion.


Reference:
ALONSO, N.; KAJIMOTO, Z.P.; TANAKA, D.K.; DI GIORGI, F.; WOLYNEC, S.; CHAVES, R. Corrosão em trocadores de calor de cobre e suas ligas. In: CONGRESSO ÍBERO – AMERICANO DE CORROSÃO E PROTEÇÃO, 3., 1989, Rio de Janeiro. Anais… Rio de Janeiro: ABRACO, 1989. p. 234-242. (IPT Publicação, 1917)

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