A kind of degradable antibacterial magnesium alloy and preparation method thereof
An antibacterial magnesium and alloy technology, applied in prostheses, tissue regeneration, medical science, etc., can solve the problems of bacterial infection and preparation difficulties of implant materials, achieve the effects of reducing the latent heat of solidification, firm bonding, and improving antibacterial properties
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Embodiment 1
[0039] An antibacterial and degradable magnesium alloy, the mass fractions of each component of the material are: Ag: 1.35%, Cu: 0.9%, Zn: 3.6%, Sr: 0.9%, Ca: 0.36%, unavoidable Fe, Among impurities such as Al, the content of a single impurity is less than 0.02%, the total amount of impurities does not exceed 0.1%, and the balance is Mg.
[0040] Based on the magnesium alloy of above-mentioned composition, its preparation method step is as follows:
[0041] Another aspect of the present invention provides a preparation method based on the above-mentioned materials, the method comprising the following steps:
[0042] (1) Ingredients: Calculate and prepare the raw materials required for magnesium alloy bone screws. The mass fraction of silver in high-purity silver wire is ≥99.99%, the mass fraction of silver in high-purity copper wire is ≥99.99%, the mass fraction of zinc in high-purity zinc particles is ≥99.99%, and the mass fraction of zinc in high-purity zinc particles is ≥9...
Embodiment 2
[0047] An antibacterial and degradable magnesium alloy, the mass fractions of each component of the material are: Ag: 1.5%, Cu: 1.0%, Zn: 4%, Sr: 1.0%, Ca: 0.4%, unavoidable Fe, Among impurities such as Al, the content of each single impurity is less than 0.02%, the total amount of impurities is not more than 0.1%, and the balance is Mg.
[0048] Based on the magnesium alloy of above-mentioned composition, its preparation method step is as follows:
[0049] Another aspect of the present invention provides a preparation method based on the above-mentioned materials, the method comprising the following steps:
[0050] (1) Ingredients: Calculate and prepare the raw materials required for magnesium alloy bone screws. The mass fraction of silver in high-purity silver wire is ≥99.99%, the mass fraction of silver in high-purity copper wire is ≥99.99%, the mass fraction of zinc in high-purity zinc particles is ≥99.99%, and the mass fraction of zinc in Mg-Sr master alloy is ≥99.99%. ...
Embodiment 3
[0055] An antibacterial and degradable magnesium alloy, the mass fractions of each component of the material are: Ag: 1.65%, Cu: 1.1%, Zn: 4.4%, Sr: 1.1%, Ca: 0.44%, unavoidable Fe, Among impurities such as Al, the content of each single impurity is less than 0.02%, the total amount of impurities is not more than 0.1%, and the balance is Mg.
[0056] Based on the magnesium alloy of above-mentioned composition, its preparation method step is as follows:
[0057] Another aspect of the present invention provides a preparation method based on the above-mentioned materials, the method comprising the following steps:
[0058] (1) Ingredients: Calculate and prepare the raw materials required for magnesium alloy bone screws. The mass fraction of silver in high-purity silver wire is ≥99.99%, the mass fraction of silver in high-purity copper wire is ≥99.99%, the mass fraction of zinc in high-purity zinc particles is ≥99.99%, and the mass fraction of zinc in high-purity zinc particles i...
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