Abstract

A theoretical model is developed to evaluate transport processes and chemical reaction in crevices and pits. The model is general in form, allowing application to a variety of systems. The model is applied to recent experimental data on crevice corrosion in iron. Two different electrolytes are analyzed: acetate and sulfuric acid. These experimental systems are of interest because active crevice corrosion is obtained in the absence of localized acidification and aggressive anions. Excellent agreement is found between model predictions and experimental results

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