EIS evaluation of steady-state characteristic of 316L stainless steel passive film grown in acidic solution
By Boissy, C.; Alemany-Dumont, C. & Normand, B.
Published in Electrochemistry Communications
NULL
2013
Abstract
The EIS is a useful tool to characterize corrosion behavior of stainless steel, especially when it comes to the properties of the passive film. A specific electrical equivalent circuit was therefore developed to investigate the diffusion/migration of vacancies occurring within this oxide as described in the point defect model. This circuit was used at 20 °C, 60 °C and 80 °C. The vacancy diffusion coefficient calculated was found to be close to 10- 14 cm2 s- 1.
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