The passive behaviour of AISI 316 in alkaline media and the effect of pH: A combined electrochemical and analytical study
By Freire, L.; Carmezim, M.J.; Ferreira, M.G.S. & Montemor, M.F.
Published in Electrochimica Acta
NULL
2010
Abstract
In this paper, thin surface films were formed on AISI 316 immersed in alkaline solutions of pH ranging from 13 to 9 under open circuit potential conditions. The electrochemical behaviour of the films formed under these conditions was evaluated by different electrochemical techniques: d.c. potentiodynamic polarisation, capacitance measurements (Mott–Schottky approach) and electrochemical impedance spectroscopy. The chemical composition was studied by X-ray photoelectron spectroscopy (XPS).
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