Abstract
Abstract Current fluctuations during general corrosion of stainless steel in sulfuric acid (H2SO4) were studied experimentally and analyzed using a simple electrochemical model. Stochastic behavior of the metal-electrolyte interface in the model was based upon the assumption that elementary fluctuation sources were related to fluxes of electrons that pass from a metal to electron-acceptor ions in solution. The number of successful electron transfers obeyed a Gaussian distribution, from which the corrosion current density (icorr) and transfer coefficients could be determined.
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