Composite biological ceramic material and preparation method thereof
A technology of composite bioceramics and calcium aluminate, which is applied in the field of medical biomaterials, can solve problems such as poor performance, and achieve good mechanical properties and good biocompatibility
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Embodiment 1
[0046] (1) Take 12Kg of calcium aluminate, 16Kg of silicon oxide, 14Kg of aluminum phosphate, 15Kg of magnesium aluminum silicate, 5Kg of calcium oxide, and 7Kg of zirconium silicate by weight, and mix the ingredients at a high speed in a high-speed mixer ;
[0047] (2) After high-speed mixing, the mixed ceramic material is ball-milled with a ball mill, the ball-to-material ratio is 45:1, the speed of the ball mill is 400rpm, and the ball-milling time is 1h;
[0048] (3) After ball milling, the bioceramic powder material was pressed into a hot-pressed furnace at a heating rate of 30°C / min, and the temperature of the hot-pressing furnace was raised to 800°C, kept for 1 hour, and then increased at a heating rate of 40°C / min. The temperature is 1430° C., the high-temperature sintering time is 5 hours, and the composite bioceramic material is obtained after cooling to room temperature.
Embodiment 2
[0050] (1) Calcium aluminate 12Kg, silicon oxide 16Kg, aluminum phosphate 14Kg, magnesium aluminum silicate 15Kg, calcium oxide 5Kg, zirconium silicate 7Kg, niobium silicide 11Kg, vanadium silicide 5Kg, boron nitride 4Kg, molybdenum boride by weight 10Kg, carry out high-speed mixing in the high-speed mixer of each component that gets;
[0051] (2) After high-speed mixing, the mixed ceramic material is ball-milled with a ball mill, the ball-to-material ratio is 45:1, the speed of the ball mill is 400rpm, and the ball-milling time is 1h;
[0052] (3) After ball milling, the bioceramic powder material was pressed into a hot-pressed furnace at a heating rate of 30°C / min, and the temperature of the hot-pressing furnace was raised to 800°C, kept for 1 hour, and then increased at a heating rate of 40°C / min. The temperature is 1430° C., the high-temperature sintering time is 5 hours, and the composite bioceramic material is obtained after cooling to room temperature.
Embodiment 3
[0054] (1) Calcium aluminate 18Kg, silicon oxide 10Kg, aluminum phosphate 20Kg, magnesium aluminum silicate 10Kg, calcium oxide 8Kg, zirconium silicate 3Kg, niobium silicide 6Kg, vanadium silicide 13Kg, boron nitride 7Kg, molybdenum boride by weight 6Kg, carry out high-speed mixing in high-speed mixer in each component that gets;
[0055] (2) After high-speed mixing, the mixed ceramic material is ball-milled with a ball mill, the ball-to-material ratio is 35:1, the speed of the ball mill is 300rpm, and the ball-milling time is 2h;
[0056] (3) After ball milling, the bioceramic powder material was pressed into a hot-pressed furnace at a heating rate of 30°C / min, and the temperature of the hot-pressing furnace was raised to 760°C, kept for 1 hour, and then increased at a heating rate of 40°C / min. The temperature is 1230°C, the high-temperature sintering time is 2 hours, and the composite bioceramic material is obtained after cooling to room temperature.
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