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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, which is applied in the direction of superimposed layer plating, metal material coating process, coating, etc., can solve problems that have not been reported, and achieve simplified operation procedures, improved wettability, and improved hydrophilicity Effect

Inactive Publication Date: 2007-02-07
TIANJIN UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method of stimulating the thermal oxide film on the surface of titanium alloy by ultraviolet light and biomimetic growth of HA coating in simulated body fluid has not been reported at home and abroad.

Method used

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  • Method of fast growing HA biologically active layer from oxidation film on titanium alloy surface by ultraviolet excitation

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Effect test

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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Abstract

the invention discloses an oxide-film rapid growing method of HA biological active layer on the ultraviolet laser Ti-alloy surface, which comprises the following steps: (1) oxidizing through heat; (2) irradiating through ultraviolet; (3) allocating soaking liquid of analog; (4) immersing to grow HA coating layer through analogy soaking liquid.

Description

(1) Technical field: [0001] The invention belongs to the technology of biomimetic preparation of biologically active layers on the surface of medical metals and alloys, and in particular relates to a thermal oxidation film on the surface of titanium alloy excited by ultraviolet light, and then rapidly grows the biological activity of hydroxyapatite (HA) in simulated body fluid (SBF) layer method. (two) background technology: [0002] At present, there are many ways to prepare hydroxyapatite (HA) coatings for biologically active surface treatment of titanium alloys. The commonly used processes include: plasma spraying, laser cladding, sol-gel, electrochemical deposition, and micro-arc oxidation. , biomimetic solution growth, ion beam assisted deposition, etc. Among them, the biomimetic solution growth method not only has the advantages of low cost, easy operation, high bonding strength and is suitable for the treatment of various complex devices, but also especially simulate...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C28/00C23C18/00C23C8/10
Inventor 陈民芳崔忠波袁志好由臣孙永昌
Owner TIANJIN UNIVERSITY OF TECHNOLOGY
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