The application of electrochemical impedance techniques to aluminium corrosion in acidic chloride solution |
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| Authors: | C. M. A. Brett |
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| Affiliation: | (1) Departamento de Química, Universidade de Coimbra, 8049 Coimbra, Portugal |
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| Abstract: | Electrochemical impedance techniques are applied to the study of aluminium corrosion in hydrochloric acid solution in the passive region. Impedance spectra are obtained in stationary solution and in solution moving due to electrode rotation. The form of the spectra shows the importance of multistep dissolution, ionic migration through the oxide layer, relaxation effects and the influence of chloride ion. |
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