| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 10268956 | Electrochimica Acta | 2011 | 10 Pages |
Abstract
⺠The passivation and passivation breakdown of AISI 304 in alkaline solutions with different pH was studied. ⺠The electrochemical behaviour and the corrosion resistance in chloride environments were evaluated using d.c. potentiodynamic polarization and electrochemical impedance spectroscopy. ⺠The results were modelled using a hierarchically distributed circuit and revealed a more susceptible surface at pH 9. ⺠The passive film characterization was carried out by SEM and EDS analysis, revealing the existence of MnS inclusions and the increase of Cr/Fe ratio in the attacked areas, preferably the vicinity of those inclusions.
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Authors
L. Freire, M.J. Carmezim, M.G.S. Ferreira, M.F. Montemor,