Current Issues of Pharmacy and Medical Sciences

Production of oxide coatings by sol-gel method and electrophoresis

Curr Issues Pharm Med Sci., Vol. 30, No. 1, 16-19

Mariusz Walczak, Kazimierz Drozd

Department of Materials Engineering, Faculty of Mechanical Engineering, Lublin University of Technology, Nadbystrzycka 36, 20-618
Lublin, Poland

DOI: https://doi.org/10.1515/cipms-2017-0003

Abstract

The paper reports the results of depositing SiO2 and SiO2-TiO2 coatings on titanium alloy Ti-6Al-4V ELI (ASTM-grade 5). Oxide coatings were deposited onto the titanium alloy substrate by sol-gel method and by electrophoresis. The produced coatings were chemically uniform, compact and highly dense. We then performed SEM microstructure examination, as well as microhardness and surface roughness measurements for different coating combinations. The significance of the results was assessed by the Shapiro-Wilk and t-Student tests using the STATISTICA software. It has been found that there are statistically significant differences in the hardness of SiO2 and SiO2-TiO2 coatings. The results of roughness parameters reveal significant differences only for individual coatings. 

 

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Keywords

sol-gel method, electrophoretic deposition (EPD), oxide coatings, titanium alloy.

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