Anodic oxidation was applied to a Titanium (Ti) plate for dental implant applications. The effects of electrolyte concentration and current density on the behavior of voltage-time (V-T) curve in the anodizing process, morphology, microstructure and co...
Anodic oxidation was applied to a Titanium (Ti) plate for dental implant applications. The effects of electrolyte concentration and current density on the behavior of voltage-time (V-T) curve in the anodizing process, morphology, microstructure and composition for Ti oxide layer were studied. The results of this study showed that the concentration of phosphoric acid used as an electrolyte played a great role in determining the crystalline structure of the Ti oxide layer. The higher current density not only increased the slope of V-T curve for an initial stage of anodizing, but also increased the thickness and diameter of pore for the Ti oxide layer. The Ti oxide layer was composed of crystalline TiO2 structure and amorphous phase. The crystalline anatase which is more desirable phase for a dental implant was developed in the condition that a phosphoric acid concentration is 0.5 M and current density is higher than 2 A/dm2.