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Abstract
In this study, polyaniline was coated on a nanostructured bainitic steel to improve the corrosion resistance of the steel. A galvanostatic method with current density varied from 1–20 mA cm−2 was used for synthesising and coating polyaniline on the nanostructured bainitic steel. The electrochemical experiments showed that the polyaniline coating formed using 5 mA cm−2 exhibited the highest protection as compared to that formed at other current densities, which can be attributed to the low porosity in 5 mA cm−2 coating.
Acknowledgements
The authors would like to acknowledge Dr Hossein Beladi, Deakin University, for providing the steel samples.