Method of nanometer zirconia toughened titanium alloy orthopedics implant based on 3D printing
A nano-zirconia, orthopedic implant technology, applied in medical science, process efficiency improvement, prosthesis and other directions, can solve the problems of low strength, small adaptability, etc., to increase the service life, improve the matching, good The effect of biocompatibility
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Embodiment 1
[0030] A kind of preparation method of nano zirconia particle strengthening and toughening bio-titanium alloy porous artificial implant, it comprises the following steps:
[0031] (1) Use an electronic balance to accurately weigh 2.5g of nanometer yttrium oxide partially stabilized zirconia powder (the stabilizer yttrium oxide content is 2%, that is, the weight of yttrium oxide is 0.05g) and 47.5g of particle size is 20-50μm The titanium alloy powder TC4 was used, and the two powders were mixed uniformly by mechanical mixing, and finally a zirconia / titanium alloy TC4 composite powder with a mass fraction of zirconia of 5% was prepared.
[0032] (2) Use the Solidworks 3D design software to design the structure of the artificial implant, import the designed 3D data model into the computer for layered slicing, and then spread the mixed powder on the forming cylinder on the laser selective melting equipment. The thickness of the powder is 30-50 μm, and the laser is used for region...
Embodiment 2
[0035]A kind of preparation method of nano zirconia particle strengthening and toughening bio-titanium alloy porous artificial implant, it comprises the following steps:
[0036] (1) Use an electronic balance to accurately weigh 0.25g of nanometer yttrium oxide partially stabilized zirconia powder (the stabilizer yttrium oxide content is 1%, that is, the weight of yttrium oxide is 0.0025g) and 49.75g of particle size is 1-30μm Titanium alloy powder TC4, the two powders were mixed uniformly by mechanical mixing method, and finally a zirconia / titanium alloy TC4 composite powder with a mass fraction of zirconia of 0.5% was prepared.
[0037] (2) Use the Solidworks 3D design software to design the structure of the artificial implant, import the designed 3D data model into the computer for layered slicing, and then spread the mixed powder on the forming cylinder on the laser selective melting equipment. The thickness of the powder is 30-50 μm, and the laser is used for regional sel...
Embodiment 3
[0040] A kind of preparation method of nano zirconia particle strengthening and toughening bio-titanium alloy porous artificial implant, it comprises the following steps:
[0041] (1) Use an electronic balance to accurately weigh 4g of nanometer yttrium oxide partially stabilized zirconia powder (the stabilizer yttrium oxide content is 5%, that is, the weight of yttrium oxide is 0.2 grams) and 46g of titanium with a particle size of 30-50μm For the alloy powder TC4, the two powders were mixed uniformly by mechanical mixing, and finally a zirconia / titanium alloy TC4 composite powder with a mass fraction of zirconia of 8% was prepared.
[0042] (2) Use the Solidworks 3D design software to design the structure of the artificial implant, import the designed 3D data model into the computer for layered slicing, and then spread the mixed powder on the forming cylinder on the laser selective melting equipment. The thickness of the powder is 30-50 μm, and the laser is used for regional...
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