Abstract
The polyaniline/nanodiamond (PANI/ND) nanocomposite coating was prepared on mild steel via electrochemical polymerization using cyclic voltammetry technique. The ultrasonic irradiation was used for effectively dispersing ND particles in electropolymerization solution. The prepared nanocomposite films were found to be nano-colloidal, and very adherent with low porosity. The corrosion performance of the coatings was investigated in 0.5 M H2SO4 solution by electrochemical impedance spectroscopy and polarization methods. The obtained results showed that the presence of ND particles significantly enhanced the corrosion protection performance of the PANI films in 0.5 M H2SO4 corrosive medium. X-ray diffraction and FT-IR techniques confirmed the intercalation of the nanoparticles in PANI matrix.
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This research has been performed under the auspices of the University of Tabriz. Authors are grateful for financial support from Research Office of the University of Tabriz and Iran Nanotechnology Initiative Council.
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Ashassi-Sorkhabi, H., Es’haghi, M. Electro-Synthesis of Nano-Colloidal PANI/ND Composite for Enhancement of Corrosion-Protection Effect of PANI Coatings. J. of Materi Eng and Perform 22, 3755–3761 (2013). https://doi.org/10.1007/s11665-013-0638-4
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DOI: https://doi.org/10.1007/s11665-013-0638-4