The effect of heat treatment of TiO2 coatings obtained by the sol-gel method on the corrosion resistance of chromium steel

• Autorzy: Szałkowska E. , Masalski J. , Kucharska B. , Głuszek J.
• Konferencja: Sol-Gel Materials Research, Technology, Applications SGM'04, 6-11 june 2004
• Języki publikacji: EN

Abstrakty

EN

The corrosion resistance of chromium steel without coating and with a four-layer one-component TiO2 coating has been examined in acidic sulphatic solution at pH 3.0 and the temperature of 25?0.2 °C. TiO2 coatings were obtained by the sol-gel method. Ti(C3H7O)4 (tetraisopropyl orthotitanate) was used as the titanium precursor. Chromium steel was coated with the dip coating method. The structure and phase composition of the TiO2 coatings were determined from X-ray diffraction data. The topography of TiO2 coatings before and after corrosion tests was examined by scanning electron microscopy. The protective effect of onecomponent coatings was evaluated based on polarization curves. The heat-treating of the coatings influences their protective properties. In the solution examined, the best protective properties exhibited TiO2 coating (4 layers) heat-treated at 500 °C for 10 minutes.

Słowa kluczowe

EN

sol-gel method; potentiodynamic curves; X-ray diffraction; TiO2; stainless steel

• Wydawca: De Gruyter
• Czasopismo: Materials Science Poland
• Rocznik: 2005
• Tom: Vol. 23, No. 1
• Strony: 137--146
• Opis fizyczny: Bibliogr. 20 poz.

Twórcy

autor

Szałkowska E.

• Department of Chemistry, Częstochowa University of Technology, al. Armii Krajowej 19, 42-200 Częstochowa, Poland

autor

Masalski J.

• Institute of Inorganic Technology and Mineral Fertilizers, Wroclaw University of Technology, Wroclaw, Poland

autor

Kucharska B.

• Institute of Materials Engineering, Częstochowa University of Technology, Częstochowa, Poland

autor

Głuszek J.

• Institute of Inorganic Technology and Mineral Fertilizers, Wroclaw University of Technology, Wroclaw, Poland

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