nanomat-2019-posters-abstracts

10 / 12

Nanomat 2019 Nano Research & Applications
ISSN: 2471-9838 Page 38
January 28-29, 2019
Barcelona, Spain
18th Edition of International Conference on
Emerging Trends in
Materials Science and
Nanotechnology
Nano Res Appl 2019, Volume 5
DOI: 10.21767/2471-9838-C1-031
Several surface engineering methods have been explored
to enhance the corrosion and wear resistance or
tribocorrosion of the titanium and its alloys while maintaining
their biocompatibility. Among these methods, the production of
oxide films by anodic oxidation treatment offers some promising
features. In this research work the electrochemical methods were
applied to form a thin porous mixed oxide film (TiO2-ZrO2) on Ti-
10 Zr alloy surface. Comparative investigation of untreated Ti-10
Zr alloy surface and porous anodic oxide film growth on Ti-10Zr
was carried out to determine the tribocorrosion performances in
biological solution were performed. The in situ electrochemical
technique is used for investigation of tribo electrochemical
degradation and the open circuit potential (OCP) measurement
was performed before, during and after sliding tests. The results
show that controlled anodic oxidation techniques applied to
titanium alloy can significantly enhance the tribo-electrochemical
performances of Ti–10 Zr alloy surface for biomedical
applications. The tribocorrosion process has applications in
orthopedic and dentistry fields, since it is known that the implants
are often exposed to simultaneous chemical/electrochemical and
mechanical stresses. The formed porous oxide filmwas tested in
biolological solution without and under different imposed loads
(tribocorrosion system) and the results were compared with that
of the untreated alloy surface.
Porous thin film formed by electrochemical
method to improve the corrosion and
tribocorrosion performances of Ti-10 Zr alloy in
biological solution
Anca Ravoiu and Lidia Benea
CC-ITES — Dunarea de Jos University of Galati, Romania