Surface characterization of anodized zirconium for biomedical applications
作者： A. Gomez Sanchez , W. Schreiner , G. Duffó , S. Ceré
DOI: 10.1016/J.APSUSC.2011.02.005
关键词: Zirconium 、 Corrosion 、 Biocompatibility 、 Osseointegration 、 Surface modification 、 Anodizing 、 Materials science 、 Metallurgy 、 Simulated body fluid 、 Electrolyte 、 Chemical engineering
摘要: Abstract Mechanical properties and corrosion resistance of zirconium make this material suitable for biomedical implants. Its good in vivo performance is mainly due to the presence a protective oxide layer that minimizes rate, diminishes amount metallic ions released biological media facilitates osseointegration process. Since implant surface region contact with living tissues, characteristics film are great interest. Surface modification route enhance both biocompatibility permanent materials. Anodizing presented as an interesting process modify metal surfaces reproducibility independence geometry. In work before after anodizing 1 mol/L phosphoric acid solution at fixed potential between 3 30 V, was characterized by means several techniques. It found during anodization grows inhomogeneous coverage on surface, modifying topography. The incorporation P from electrolyte changes chemistry. After 30 days immersion Simulated Body Fluid (SBF) solution, Ca-P rich compounds were present anodized zirconium.
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