Passivity and Pitting of Ni-Cu Alloys in NaCl Solutions
- 1 January 1974
- journal article
- Published by The Electrochemical Society in Journal of the Electrochemical Society
- Vol. 121 (9) , 1137-1141
- https://doi.org/10.1149/1.2402000
Abstract
Passsivity of the alloy series in solutions is evaluated by means of potentiostatic polarization curves and by measurements of critical pitting potential. Passivity is observed only in alloys of >40% Ni, the actual critical Ni content depending on Cl− concentration, sulfate concentration, and pH. Pitting of Ni‐Cu alloys is expected and corresponding critical pitting potentials are found only in environments favoring stable passivity.Keywords
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