Copper Alloy

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Crevice Corrosion in a Subsea System — Aspect Before Analysis

Application: Ship Condition: Preferential Dissolution Capture method: Aspect Before Analysis clear all

Copper Alloy — sub-branches

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Aspect of the CuZn platesheet where it is corroded (cooling medium side). The (hot) air cooler uses treated seawater as the cooling medium and the corroded regions are associated to the regions in the heat exchanger of higher temperatures, and the leakage occurred in regions of contact of the platesheet to cooper alloy tubes.

1167

ML00125 / Mar.2018

Dezincification of a Cooler Tubesheet

M - BrassP - PlateAp - ShipCd - Preferential Dissolution

Cm - Aspect Before AnalysisDf - Corrosion