期刊
JOURNAL OF FUNCTIONAL BIOMATERIALS
卷 14, 期 4, 页码 -出版社
MDPI
DOI: 10.3390/jfb14040180
关键词
electrochemical anodization; TiO2 nanopores; nanotubes; Ti-Nb-Zr-Ta alloys; Ti-Nb-Zr-Fe alloys
Nanoporous/nanotubular complex oxide layers were successfully developed on high-fraction beta phase quaternary Ti-Nb-Zr-Ta and Ti-Nb-Zr-Fe promising biomedical alloys with a low elasticity modulus through electrochemical anodization. The morphology of the nanostructures exhibited inner diameters of 15-100 nm. The oxide layers were characterized using SEM, EDS, XRD, and current evolution analyses. Optimized process parameters of electrochemical anodization resulted in the synthesis of complex oxide layers with pore/tube openings of 18-92 nm on Ti-10Nb-10Zr-5Ta, 19-89 nm on Ti-20Nb-20Zr-4Ta, and 17-72 nm on Ti-29.3Nb-13.6Zr-1.9Fe alloys using specific electrolytes.
Nanoporous/nanotubular complex oxide layers were developed on high-fraction beta phase quaternary Ti-Nb-Zr-Ta and Ti-Nb-Zr-Fe promising biomedical alloys with a low elasticity modulus. Surface modification was achieved by electrochemical anodization aimed at the synthesis of the morphology of the nanostructures, which exhibited inner diameters of 15-100 nm. SEM, EDS, XRD, and current evolution analyses were performed for the characterization of the oxide layers. By optimizing the process parameters of electrochemical anodization, complex oxide layers with pore/tube openings of 18-92 nm on Ti-10Nb-10Zr-5Ta, 19-89 nm on Ti-20Nb-20Zr-4Ta, and 17-72 nm on Ti-29.3Nb-13.6Zr-1.9Fe alloys were synthesized using 1 M H3PO4 + 0.5 wt% HF aqueous electrolytes and 0.5 wt% NH4F + 2 wt% H(2)0 + ethylene glycol organic electrolytes.
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