Plasma Electrolytic Oxidation of Nanocomposite Coatings on Ti-6Al-7Nb alloy for Biomedical Applications

Authors

Qabas Khalid Naji, Department of Metallurgical Engineering, College of Materials Engineering, University of Babylon, Babylon, IraqFollow
Jassim Mohammed Salman, Department of Metallurgical Engineering, College of Materials Engineering, University of Babylon, Babylon, IraqFollow
Nawal Mohammed Dawood, Department of Metallurgical Engineering, College of Materials Engineering, University of Babylon, Babylon, IraqFollow

Abstract

The current study aims to useTi-6Al-7Nb alloy instead of Ti-6Al-4V alloy in medical applications. Due to the poor hardness and wear that cause loose of the implant. The surface of Ti-6Al-7Nb alloy has been coated with titanium and zirconia/titanium oxide nanocomposite coating by Plasma electrolytic oxidation (PEO) process. The results of the tests showed the possibility of deposition of ceramics coatings on the surface of Ti-6Al-7Nb alloy by using different times. The ceramics layer of titanium oxide (TiO2) is formed during coating porous, homogenous distribution, and low corrosion rate and wettability. A composite nano ceramic layer was obtained from nano ZrO2 with TiO2 observed with increased thickness layer and concentration with time compared TiO2 layer improved percentage (90.5%) during the corrosion test, Hank's solution showed a strong ability to act as a barrier to prevent the localized corrosion attack from many aggressive ions.

Keywords

Corrosion Resistances, Medical Applications, Plasma electrolytic oxidation (PEO), Porosity, Titanium oxide (TiO2)

Article Type

Article

How to Cite this Article

Khalid Naji, Qabas; Mohammed Salman, Jassim; and Mohammed Dawood, Nawal (2024) "Plasma Electrolytic Oxidation of Nanocomposite Coatings on Ti-6Al-7Nb alloy for Biomedical Applications," Baghdad Science Journal: Vol. 21: Iss. 11, Article 2.
DOI: https://doi.org/10.21123/bsj.2024.7976