Polyindole top coat on TiO2 sol-gel films for corrosion protection of steel

Doslu S. T., Mert B. D., Yazici B.

CORROSION SCIENCE, vol.66, pp.51-58, 2013 (SCI-Expanded) identifier identifier

  • Publication Type: Article / Article
  • Volume: 66
  • Publication Date: 2013
  • Doi Number: 10.1016/j.corsci.2012.08.067
  • Journal Name: CORROSION SCIENCE
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Page Numbers: pp.51-58
  • Çukurova University Affiliated: Yes

Abstract

The protection efficiency of polyindole film on stainless steel was enhanced via titanium dioxide pre-coating. The characterization of coatings was achieved by nuclear magnetic resonance and Fourier-transform infrared spectra. The surface morphology of electrodes was monitored with scanning electron microscope. The corrosion performance was investigated in 3.5% NaCl solution by electrochemical impedance spectroscopy and potentiodynamic measurements. The quantum calculations were employed, and theoretical parameters were determined. Results showed that the correlation between experimental and theoretical parameters. The high protection efficiency was observed against corrosion on the steel surface via forming a protective polyindole top coated titanium dioxide film. (c) 2012 Elsevier Ltd. All rights reserved.