Electropolymerized coatings of poly(o‐anisidine) and poly(o‐anisidine)‐TiO2 nanocomposite on aluminum alloy 3004 by using the galvanostatic method and their corrosion protection performance

Poly(o‐anisidine) (POA) and poly(o‐anisidine)‐TiO2 (POA‐TiO2) nanocomposite coatings on aluminum alloy 3004 (AA3004) have been investigated by using the galvanostatic method. The electrosynthesized coatings were characterized by FT ‐ IR spectroscopy, XRD, SEM ‐ EDX and SEM. The corrosion protection...

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Veröffentlicht in:	Polymers for advanced technologies 2014-03, Vol.25 (3), p.279-287
Hauptverfasser:	Jafari, Yaser, Shabani‐Nooshabadi, Mehdi, Ghoreishi, Sayed Mehdi
Format:	Artikel
Sprache:	eng
Schlagworte:	aluminum Applied sciences Composites Corrosion Corrosion prevention EIS Exact sciences and technology Forms of application and semi-finished materials Metals. Metallurgy nanocomposite Physicochemistry of polymers polymer coatings Polymer industry, paints, wood Polymerization Polymers and radiations Technology of polymers
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Zusammenfassung:	Poly(o‐anisidine) (POA) and poly(o‐anisidine)‐TiO2 (POA‐TiO2) nanocomposite coatings on aluminum alloy 3004 (AA3004) have been investigated by using the galvanostatic method. The electrosynthesized coatings were characterized by FT ‐ IR spectroscopy, XRD, SEM ‐ EDX and SEM. The corrosion protection performance of POA and POA‐TiO2 nanocomposite coatings was investigated in the 3.5% NaCl solution by using potentiodynamic polarization technique and electrochemical impedance spectroscopy. The results show that the corrosion rate of the nanocomposite coatings is about 900 times lower than the bare AA3004 under optimal conditions. Copyright © 2013 John Wiley & Sons, Ltd.
ISSN:	1042-7147 1099-1581
DOI:	10.1002/pat.3233