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Published on: February 14, 2014
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Fabrication and characterization of oxygen - diffused titanium using spectroscopy method.
M Lubas1, M Sitarz2, J J Jasinski1
1Materials Science Institute, Czestochowa University of Technology, av. Armii Krajowej 19, 42-200 Czestochowa, Poland.
Summary
This study optimized thermal treatment to create oxygen-diffused titanium dioxide (TiO2) films. These uniform, well-adhering TiO2 layers enhance titanium surfaces for improved osseointegration in biomedical applications.
Area of Science:
- Materials Science
- Biomedical Engineering
- Surface Chemistry
Background:
- Osseointegration success relies on the native oxide film on titanium surfaces.
- Understanding titanium-bone tissue interaction is crucial for dental and orthopedic implants.
Purpose of the Study:
- To determine optimal conditions for creating oxygen-diffused titanium dioxide (TiO2) films.
- To investigate the effects of thermal treatment on titanium oxidation.
- To enhance titanium surfaces for improved osseointegration.
Main Methods:
- Grade 2 titanium subjected to thermal treatment in a fluidized bed at 610°C and 640°C for 6, 8, and 12 hours.
- Analysis using X-ray Diffraction/Grazing Incidence Diffraction (XRD/GID) and Glow Discharge Optical Emission Spectrometry (GDOS) to assess TiO2 film formation and oxygen concentration gradients.
- Raman spectroscopy to identify TiO2 polymorphs (anatase and rutile).
Main Results:
- Thermal treatment resulted in a TiO2 rutile film and an oxygen concentration gradient within the titanium lattice.
- Raman spectroscopy confirmed the presence of both anatase and rutile TiO2 polymorphs on the surface.
- Fluidized bed oxidation produced uniform oxide layers with excellent adhesion to the titanium substrate.
Conclusions:
- Optimized thermal treatment in a fluidized bed effectively produces oxygen-diffused TiO2 films on titanium.
- The resulting uniform and well-adhered oxide layers significantly improve titanium surfaces for biomedical applications, particularly osseointegration.
