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Study of corrosion behavior of titanium with anodized oxidation film / 华西口腔医学杂志
West China Journal of Stomatology ; (6): 203-205, 2011.
Article Dans Chinois | WPRIM | ID: wpr-235086
ABSTRACT
<p><b>OBJECTIVE</b>To investigate the variation of the corrosion resistance of anodized oxidation film on titanium by electrochemical methods.</p><p><b>METHODS</b>TiO2 nanotube layer was formed on Ti surface by anodization. The morphology was observed with scanning electron microscope (SEM) and the crystal phase was analyzed using X-ray diffraction(XRD) before and after annealing. Polarization curves were examined by electrochemical methods.</p><p><b>RESULTS</b>Titanium oxide nanotubes with 80 nm diameter and 400 nm length was seen on Ti after anodization. The annealing nanotubes was anatase crystalline phase by X-ray diffraction analysis. The self-corrosion potential and break-down potential of smooth Ti were significantly lower than TiO2 nanotubes by anodization (P < 0.05). The self-corrosion current and passived current were significantly higher than TiO2 nanotubes by anodization (P < 0.05). Annealing improved the corrosion resistance of anodized oxidation film on titanium.</p><p><b>CONCLUSION</b>The results of electrochemical examinations indicate that the TiO2 nanotubes by anodization increases the corrosion resistance of titanium.</p>
Sujets)
Texte intégral: Disponible Indice: WPRIM (Pacifique occidental) Sujet Principal: Oxydoréduction / Titane / Microscopie électronique à balayage / Corrosion / Nanotubes langue: Chinois Texte intégral: West China Journal of Stomatology Année: 2011 Type: Article

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Texte intégral: Disponible Indice: WPRIM (Pacifique occidental) Sujet Principal: Oxydoréduction / Titane / Microscopie électronique à balayage / Corrosion / Nanotubes langue: Chinois Texte intégral: West China Journal of Stomatology Année: 2011 Type: Article