Method of fast growing HA biologically active layer from oxidation film on titanium alloy surface by ultraviolet excitation
A technology of surface oxidation and biological activity, applied in the direction of superimposed layer plating, metal material coating process, coating, etc., can solve the problems that have not been reported, and achieve the simplification of operation procedures, improvement of hydrophilicity, and increase of efficiency Effect
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Embodiment 1
[0021] Embodiment 1: a kind of method that ultraviolet light stimulates titanium alloy surface oxide film to grow HA bioactive layer rapidly, it is characterized in that it comprises the following steps:
[0022] (1) Thermal oxidation treatment: After polishing the 10×10×1mm Ti-Nb-Sn alloy sample with metallographic sandpaper, ultrasonic cleaning and drying were performed with acetone and deionized water respectively, and then thermal oxidation was carried out in a resistance furnace Treatment, the oxidation temperature is 500°C, 600°C and 700°C respectively, the oxidation time is 3h, and the oxidation atmosphere is the atmosphere, so as to obtain a titanium dioxide film with an appropriate ratio of anatase phase and rutile phase, and determine the best oxidation process parameters;
[0023] (2) Ultraviolet light irradiation: irradiate the oxidized sample under different intensities of ultraviolet light, the distance between the sample and the irradiation light source is 20mm, ...
Embodiment 2
[0026] Embodiment 2: a kind of method that ultraviolet light stimulates titanium alloy surface oxide film to grow HA bioactive layer rapidly, it is characterized in that it comprises the following steps:
[0027](1) Thermal oxidation treatment: After polishing the 10×10×1mm Ti-6Al-4V alloy sample with metallographic sandpaper, it was ultrasonically cleaned and dried with acetone and deionized water respectively, and then heated in a controlled atmosphere resistance furnace. Carry out thermal oxidation treatment, the oxidation temperature is 300°C, 400°C and 500°C respectively, the oxidation time is 1h, and the oxidation atmosphere is oxygen, so as to obtain a titanium dioxide film with an appropriate ratio of anatase phase and rutile phase, and determine the best oxidation process parameters ;
[0028] (2) Ultraviolet light irradiation: irradiate the oxidized sample under different intensities of ultraviolet light, the distance between the sample and the irradiation light sour...
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