Oxidative post-treatments for enhanced corrosion resistance of aluminium electrodeposited from ionic liquids |
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| Authors: | Stefano Caporali Alessio Fossati Ugo Bardi |
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| Affiliation: | Dipartimento di Chimica, Università di Firenze, Via della Lastruccia, 3, 50019 Sesto Fiorentino (FI), Italy Consorzio Interuniversitario Nazionale di Scienza e Tecnologia dei Materiali (INSTM), 50147 Firenze, Italy |
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| Abstract: | In this paper we report the results of a study on the corrosion properties of carbon steel (UNI Fe360B) coated with a thin aluminium layer electrodeposited from ionic liquids and subsequently post-treated in an oxidizing environment. Two different types of treatments were investigated: thermal oxidation in air and electrochemical anodization. We found that heat treatments provided only a modest improvement of the anticorrosion properties while the electrochemical treatment produced a significant improvement. |
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| Keywords: | A Ionic liquids A Aluminium B EIS B Polarization B XRD |
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