Artificial joint with micro-nano graded topological surface structure and preparation method of artificial joint
A technology of artificial joints and surface structures, applied in joint implants, joint implants, surface reactive electrolytic coatings, etc., can solve problems that have not been reported before, and achieve the promotion of deposition growth, increase of contact area, and improvement of antibacterial properties Effect
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Embodiment 1
[0035] (1) First choose medical Ti6Al4V to process the artificial joint;
[0036](2) Artificial joint pretreatment: use the metallographic sandpaper of 600#, 800#, 1000#, 1200# to polish the artificial joint step by step from coarse sand to fine sand, and then ultrasonically clean it with acetone, alcohol and distilled water , dry and set aside.
[0037] (3) Electrolyte configuration: Use sodium carbonate solution system, configure 10L sodium carbonate solution with a concentration of 20g / L and potassium hydroxide solution with a concentration of 1g / L, stir and dissolve at a constant temperature of 40°C, and set aside;
[0038] (4) Micro-arc oxidation of artificial joints: place the artificial joints in the electrolytic cell of the bipolar pulse micro-arc oxidation equipment and add the prepared electrolyte, use the artificial joints as the anode and the stainless steel electrolytic cell as the cathode, adjust the process parameters to Artificial joints undergo micro-arc oxid...
Embodiment 2
[0042] (1) First choose Ti6Al4V alloy to process the artificial joint;
[0043] (2) Artificial joint pretreatment: use the metallographic sandpaper of 600#, 800#, 1000#, 1200# to polish the artificial joint step by step from coarse sand to fine sand, and then ultrasonically clean it with acetone, alcohol and distilled water , dry and set aside.
[0044] (3) Electrolyte configuration: Use sodium carbonate solution system, configure 10L sodium carbonate solution with a concentration of 20g / L and potassium hydroxide solution with a concentration of 1g / L, stir and dissolve at a constant temperature of 40°C, and set aside;
[0045] (4) Micro-arc oxidation of artificial joints: place the artificial joints in the electrolytic cell of the bipolar pulse micro-arc oxidation equipment and add the prepared electrolyte, use the artificial joints as the anode and the stainless steel electrolytic cell as the cathode, adjust the process parameters to Artificial joints undergo micro-arc oxida...
Embodiment 3
[0049] (1) First choose medical Ti6Al4V to process the artificial joint;
[0050] (2) Artificial joint pretreatment: use the metallographic sandpaper of 600#, 800#, 1000#, 1200# to polish the artificial joint step by step from coarse sand to fine sand, and then ultrasonically clean it with acetone, alcohol and distilled water , dry and set aside.
[0051] (3) Electrolyte configuration: Use sodium carbonate solution system, configure 10L sodium carbonate solution with a concentration of 20g / L and potassium hydroxide solution with a concentration of 1g / L, stir and dissolve at a constant temperature of 40°C, and set aside;
[0052] (4) Micro-arc oxidation of artificial joints: place the artificial joints in the electrolytic cell of the bipolar pulse micro-arc oxidation equipment and add the prepared electrolyte, use the artificial joints as the anode and the stainless steel electrolytic cell as the cathode, adjust the process parameters to Artificial joints undergo micro-arc oxi...
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