Abstract
Titanium and its alloys are used in many industrial fields because of their low density-high strength ratio, excellent biocompatibility and good corrosion properties. Nevertheless, titanium and its alloys have poor surface properties. Titanium and its alloys are applied various surface treatments for increasing wear resistance and service life. In this study, the oxide layer was formed under different anodization conditions on the surface of Ti45Nb alloy. The effects of thickness and hardness of oxide layer was investigated under dry wear conditions. The TiO 2 phase form of samples was obtained by XRD. Structural properties and cross-section view of samples examined with SEM. Also, the surface hardness of samples was measured by micro hardness. In conclusion, the thickness and hardness of oxide layer increased within increasing anodization potential on Ti45Nb surface. Accordingly, it was determined that wear resistance of anodized Ti45Nb alloy improved. In addition, the surface roughness and porosity of the material increased with increasing anodization potential.
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