Abstract
Passivation behavior of a deformed stainless steel in a simulated concrete pore solution was studied by means of open circuit potential (OCP), electrochemical impedance spectroscopy (EIS), and Mott-Schottky plots. The results show that with the increasing strain, the OCP and im- pedance of the steel decreased, whereas the concentration of oxygen vacancy in passive films in- creased. This result suggests that the passivation of the stainless steel is degraded by the increasing strain. In addition, the difference in passivation between the deformed samples would not be dimin- ished with the increasing immersion time.
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Schedule a callMore From: Journal of the Chinese Society of Corrosion and Protection
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