Preparation method of porous biological activity ceramic film on surface of porous pure titanium or titanium alloy with lattice structure and application thereof
A technology of bioactive ceramics and lattice structure, applied in the direction of surface reaction electrolytic coating, electrolytic coating, coating, etc., to achieve the effect of good combination, high biological activity and uniform thickness
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[0038] Example 1
[0039] 1. Material preparation: using electron beam molten metal forming technology to prepare Ti-6Al-4V titanium alloy with a porosity of 50% and a porous lattice structure ( figure 1 (a)).
[0040] 2. Chemical pickling:
[0041] The composition of the pickling solution is: 40% (volume concentration) HF 2ml / L, 70% (volume concentration) HNO 3 5ml / L, citric acid 5g / L, slow-release agent is o-nitrophenol, and the rest is water.
[0042] Pickling solution temperature: room temperature, treatment time 20 seconds, immediately after taking it out, rinse with tap water for 1 to 2 minutes, and then rinse with deionized water for 1 to 2 minutes.
[0043] 3. Preparation of prefabricated anodic oxide film:
[0044] Electrolyte composition: sodium dihydrogen phosphate with a concentration of 30g / L, sodium oxalate with a concentration of 5g / L, oxalic acid with a concentration of 1g / L, sodium lauryl sulfonate with a concentration of 0.5g / L, the rest is water .
[0045] During the ...
Example Embodiment
[0053] Example 2
[0054] 1. Material preparation: using electron beam molten metal forming technology to prepare Ti-6Al-4V titanium alloy with a porosity of 70% and a porous lattice structure ( figure 1 (c)).
[0055] 2. Chemical pickling:
[0056] The composition of the pickling solution is: 40% (volume concentration) HF 1ml / L, 70% (volume concentration) HNO 3 3ml / L, tartaric acid 3g / L, slow-release agent is p-dinitrophenol, and the rest is water.
[0057] Pickling solution temperature: room temperature, treatment time 20 seconds, immediately after taking it out, rinse with tap water for 1 to 2 minutes, and then rinse with deionized water for 1 to 2 minutes.
[0058] 3. Preparation of prefabricated anodic oxide film:
[0059] Electrolyte composition: sodium dihydrogen phosphate with a concentration of 20g / L, sodium oxalate with a concentration of 8g / L, phosphoric acid with a concentration of 0.5g / L, sodium lauryl sulfonate with a concentration of 0.5g / L, and the rest are water.
[006...
Example Embodiment
[0068] Example 3
[0069] 1. Material preparation: The electron beam molten metal forming technology is used to prepare a β-titanium alloy with a porosity of 60% and a porous lattice structure.
[0070] 2. Chemical pickling:
[0071] The composition of the pickling solution is: 40% (volume concentration) HF 2ml / L, 70% (volume concentration) HNO 3 7ml / L, malic acid 5g / L, slow-release agent is picric acid, and the rest is water.
[0072] Pickling solution temperature: room temperature, treatment time 20 seconds, immediately after taking it out, rinse with tap water for 1 to 2 minutes, and then rinse with deionized water for 1 to 2 minutes.
[0073] 3. Preparation of prefabricated anodic oxide film:
[0074] Electrolyte composition: sodium dihydrogen phosphate with a concentration of 20 g / L, sodium oxalate with a concentration of 8 g / L, phosphoric acid with a concentration of 2 g / L, sodium lauryl sulfate with a concentration of 0.5 g / L, and the rest is water.
[0075] During the preparation...
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