Journal of Nanostructures، جلد ۱۰، شماره ۱، صفحات ۵۲-۶۳

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عنوان انگلیسی Investigation of corrosion protection properties of TiO2-CdO nanocomposite coating prepared by sol-gel method on copper
چکیده انگلیسی مقاله the Sol–gel nanocomposite coatings have been investigated for copper metal as a potential replacement for the hazardous and banned hexavalent chromate conversion coatings. TiO2–CdO nanocomposite thin films were deposited on copper using the sol–gel method. The sol-gel coatings were prepared using a sol obtained by the hydrolysis and condensation of tetra-o-butyl titanate. They were doped with cadmium oxide inhibitor to provide active corrosion protection. The synthesized coatings were characterized by X-ray diffraction (XRD) and atomic force microscopy (AFM). The anticorrosion performances of TiO2-CdO nanocomposite coatings were investigated in 3.5% NaCl solution by the potentiodynamic polarization technique Tafle and electrochemical impedance spectroscopy (EIS). The potential corrosion increases from -210 mV versus Ag/AgCl (3M) for uncoated copper to -202 mV versus Ag/AgCl (3M) for TiO2-CdO nanocomposite-coated copper electrodes. The results of this study clearly ascertain that the TiO2-CdO nanocomposite has outstanding potential to protect the copper against corrosion in a chloride environment..
کلیدواژه‌های انگلیسی مقاله AFM, Nanocomposite, Sol-Gel, TiO2-CdO, EIS

نویسندگان مقاله Farnaz Hajiyan Pour |
Department of Analytical Chemistry, Faculty of Chemistry, University Of Kashan, I.R. Iran

Mohsen Behpour |
Department of Analytical Chemistry, Faculty of Chemistry, University Of Kashan, I.R. Iran

Mehdi Shabani-nooshabadi |
Department of Analytical Chemistry, Faculty of Chemistry, University Of Kashan, I.R. Iran

Yaser Jafari |
Department of Analytical Chemistry, Faculty of Chemistry, University Of Kashan, I.R. Iran


نشانی اینترنتی http://jns.kashanu.ac.ir/article_100450_ea75f7ba220f0e3572cea6ba3290b827.pdf
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