Microstructure and Properties of Nanostructured Coating on Ti6Al4V

Implant surface properties of Ti6Al4V alloy that is currently used as a biocompatible material because of a variety of unique properties can be improved by a self-organized TiO layer. The TiO nanotubes forming on the titanium-based materials is a relatively recent technology for the surface properti...

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Bibliographic Details
Published in:Materials 2020-02, Vol.13 (3), p.708
Main Authors: Jordanovová, Veronika, Losertová, Monika, Štencek, Michal, Lukášová, Tereza, Simha Martynková, Gražyna, Peikertová, Pavlína
Format: Article
Language:English
Subjects:
Alloys
Anodizing
Argon
Biocompatibility
Biomedical materials
Cell adhesion
Corrosion rate
Corrosion tests
Dental implants
Electrodes
Electrolytes
Fluorides
Fluorine
Heat
Heat treatment
Morphology
Nanomaterials
Nanotubes
Oxidation
Oxide coatings
Raman spectroscopy
Scanning electron microscopy
Substrates
Surface properties
Surface treatment
Titanium base alloys
Titanium dioxide
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Summary:Implant surface properties of Ti6Al4V alloy that is currently used as a biocompatible material because of a variety of unique properties can be improved by a self-organized TiO layer. The TiO nanotubes forming on the titanium-based materials is a relatively recent technology for the surface properties modification and represents pronounced potential in promoting cell adhesion, proliferation, and differentiation that facilitate an implant osseointegration. This work focuses on the influence of surface treatment quality and anodic oxidation parameters on the structure features and properties of TiO nanotube coatings. The nanotubes were formed on Ti6Al4V alloy substrates by simultaneous surface oxidation and controlled dissolving of an oxide film in the presence of fluorine ions. The anodization process on ground or polished samples was performed at experimental condition of 30 V for 1 h. The selected anodized samples were heat treated for 2 h at 500 °C under flowing argon. All samples were characterized by scanning electron microscopy, X-ray diffraction analysis, and Raman spectroscopy. The corrosion rate in physiological solution reached 0.0043, 0.0182, and 0.0998 mm per year for the samples in polished and not-anodized, as-anodized, and anodized-heat treated conditions, respectively.
ISSN:1996-1944
1996-1944
DOI:10.3390/ma13030708