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Structural and electrochemical characterization of Zn-TiO2 nanocomposite coatings electrodeposited on steel

A. V. POP1,* , A. VLASA2, S. VARVARA3, B. DAVID1, C. BULEA4, L. MURESAN2

Affiliation

  1. Department of Physics, “Babes-Bolyai” University, 400028 Cluj-Napoca, Romania
  2. Department of Physical Chemistry, “Babes-Bolyai” University, 400028 Cluj-Napoca, Romania
  3. Department of Topography, “1 Decembrie 1918” University Alba-Iulia, Romania
  4. BETAK S.A., Str. Industriilor, 4 Bistriţa, Romania

Abstract

The structural, morphological, electrochemical and the corrosion behavior of Zn-TiO2 nanocomposite coatings obtained by electrolytic co-deposition on steel substrate is presented. The influence of TiO2 nanopaticles concentration on the increase of corrosion resistance of composite coatings is discussed. An improved corrosion resistance was obtained for a composite obtained for a concentration of 5g/l TiO2 nanopaticles in the plating bath.

Keywords

Zn-TiO2 composite coatings, XRD, SEM, AFM, Electrolytic co-deposition, Corrosion.

Citation

A. V. POP, A. VLASA, S. VARVARA, B. DAVID, C. BULEA, L. MURESAN, Structural and electrochemical characterization of Zn-TiO2 nanocomposite coatings electrodeposited on steel, Optoelectronics and Advanced Materials - Rapid Communications, 3, 12, December 2009, pp.1290-1294 (2009).

Submitted at: Nov. 6, 2009

Accepted at: Nov. 23, 2009