Preparation method of titanium dioxide thin film coating on surface of titanium alloy microporous bone
A titanium dioxide and alloy microporous technology, which is applied in the field of medical bioactive composite materials, can solve the problems of high manufacturing cost, aggravated alloy surface corrosion, poor film stability and durability, etc., and achieves the effects of low cost and simple method.
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example 1
[0018] 1. First make the molar ratio TiPT (titanium isopropoxide): C 3 h 8 O (anhydrous isopropanol): HCL (hydrochloric acid): H 2 O (water) = 1.0: 9.1: 0.15: 1.1 Stir with a magnetic stirrer for 20 minutes, and keep the temperature at 0 0 C aged for 12 hours.
[0019] 2. Then put Ti 6 A1 4 The V alloy microporous bone was immersed in the above titanium solution for 24 hours, and its temperature was kept at 15 0 c.
[0020] 3. Then Ti 6 A1 4 V alloy microporous bone samples with a size of 10mm*30mm*1mm were soaked in 40ml of 0.5mol / l nitric acid solution for 10 days, and the temperature was kept at 50 0 c.
[0021] 4. Ti 6 A1 4 The V alloy microporous bone sample was slowly taken out of the nitric acid aqueous solution at a speed of about 3 cm / min and cooled at room temperature.
[0022] The thickness of the titanium dioxide film coating on the surface of Ti6A14V alloy microporous bone is 8.48 μm as measured by scanning electron microscope JEM-1400 / 1011. Ti was ob...
example 2
[0025] 1. First make the molar ratio TiPT (titanium isopropoxide): C 3 h 8 O (anhydrous isopropanol): HCL (hydrochloric acid): H 2 O (water) = 1.0: 9.1: 0.15: 1.1 stirred for 20 minutes with a magnetic stirrer, and its temperature was maintained at 10 0 C aging for 15 hours.
[0026] 2. Then put Ti 6 A1 4 The V alloy microporous bone was immersed in the above titanium solution for 36 hours, and its temperature was kept at 20 0 c.
[0027] 3. Then Ti 6 A1 4 V alloy microporous bone samples with a size of 10mm*30mm*1mm were soaked in 40ml of 0.5mol / l nitric acid solution for 12 days, and the temperature was kept at 60 0 c.
[0028] 4. Ti 6 A1 4 The V alloy microporous bone sample was slowly taken out of the nitric acid aqueous solution at a speed of about 3 cm / min and cooled at room temperature.
[0029] The product was determined by scanning electron microscope JEM-1400 / 1011, Ti 6 A1 4 The thickness of titanium dioxide film coating on the surface of V alloy microp...
example 3
[0031] 1. First make the molar ratio TiPT (titanium isopropoxide): C 3 h 8 O (anhydrous isopropanol): HCL (hydrochloric acid): H 2 O (water) = 1.0: 9.1: 0.15: 1.1 Stir for 20 minutes with a magnetic stirrer, and keep the temperature at 15 0 C aged for 18 hours.
[0032] 2. Then put Ti 6 A1 4 The V alloy microporous bone was immersed in the above titanium solution for 48 hours, and its temperature was kept at 25 0 c.
[0033] 3. Then Ti 6 A1 4 V alloy microporous bone samples with a size of 10mm*30mm*1mm were soaked in 40ml of 0.5mol / l nitric acid solution for 15 days, and the temperature was kept at 70 0 c.
[0034] 4. Ti 6 A1 4 The V alloy microporous bone sample was slowly taken out of the nitric acid aqueous solution at a speed of about 3 cm / min and cooled at room temperature.
[0035] The product was determined by scanning electron microscope JEM-1400 / 1011, Ti 6 A1 4 The thickness of titanium dioxide film coating on the surface of V alloy microporous bone is ...
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