Finite element modeling of galvanic corrosion during chemical cleaning of westinghouse series 51 steam generator

Fu, John W.; Chan, S.K.

doi:10.1016/0270-0255(87)90592-6

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2015

2022

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“…The driving force for galvanic corrosion is the potential difference between two or more metals or alloys in a conductive medium that generates current flow between the anodic and cathodic members. The extent of galvanic corrosion between two or more coupled dissimilar alloys depends on other factors such as the temperature, effective area ratio of the anodic vs. cathodic members, solution conductivity and the stability of passive films and so on [5][6][7][8].…”

Section: Introductionmentioning

confidence: 99%

The Influence of Temperature on the Galvanic Corrosion in Multi-Material System in Seawater

Wang

2015

AMR

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The galvanic corrosion behavior of titanium (TA2)/Cu-Ni alloy (B10)/low alloy steel (921A) multi-material system has been studied using a zero-resistance ammeter (ZRA) in seawater at different temperatures. After the tests, the surface morphologies of the samples were detected by SEM. Results showed galvanic corrosion behavior of TA2/B10/921A fulfill the mixed potential theory, 921A acts as the anode and both TA2 and B10 act as the cathodes. The effect of temperature on the galvanic corrosion is important, the corrosion rate increases with increasing temperature.

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Section: Introductionmentioning

confidence: 99%