Chemical and mechanical properties of anodized cp-titanium in NH4 H2PO4/NH4F media for biomedical applications
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Potentiostatic anodizing of commercially pure titanium, using ammonium phosphate and ammonium fluoride solution as electrolyte is studied. The objective is to generate titanium oxides on the surface and phosphor compounds presenting good protective and mechanical properties, and proper adhesion to the metal substrate to remain during surgical orthopedic procedures (implants). Two different applied potentials were used to obtain different surface oxides morphologies (20 and 30 V). The characterization and quantification of the generated deposits is presented as a starting point for the future application of these composite types of materials. X-ray Photoelectron Spectroscopy (XPS) and Raman spectroscopy techniques showed the presence of phosphor compounds and anatase (TiO2) as the main constitutive phases.
CitationAloia, L. [et al.]. Chemical and mechanical properties of anodized cp-titanium in NH4 H2PO4/NH4F media for biomedical applications. "Surface and coatings technology", 15 Juliol 2012, vol. 206, núm. 23, p. 4791-4798.
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