Preparation method for microbial corrosion-resistant TiN/Ti ceramic metal composite coating
A ceramic metal, microorganism-resistant technology, applied in the direction of metal material coating process, coating, non-metallic elements, etc., to achieve uniform and fine particles, high arc voltage and arc current, and good interface bonding.
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Embodiment 1
[0029] The preparation method of the anti-microbial corrosion TiN / Ti ceramic-metal composite coating of the present embodiment comprises the following steps:
[0030] Step 1. Prepare TiN particles by carbothermal reduction method. The specific method is: weigh titanium dioxide and carbon black according to the mass ratio of 69:21, place the weighed titanium dioxide and carbon black in a wet ball mill for wet ball milling, and then The material after wet ball milling is dried and placed in an atmosphere furnace, and heated to 1500°C at a rate of 10°C / min under a flowing nitrogen atmosphere with a flow rate of 3L / min, and kept for 4 hours to obtain TiN particles; the mass of the titanium dioxide The purity is not less than 98%, the average particle size of titanium dioxide is not greater than 5 μm; the carbon content of the carbon black is not less than 99%, and the average particle size of the carbon black is not greater than 200nm; the mass percentage of TiN in the TiN particle...
Embodiment 2
[0036] The preparation method of the anti-microbial corrosion TiN / Ti ceramic-metal composite coating of the present embodiment comprises the following steps:
[0037] Step 1. Prepare TiN particles by carbothermal reduction method. The specific method is: weigh titanium dioxide and carbon black according to the mass ratio of 69:21, place the weighed titanium dioxide and carbon black in a wet ball mill for wet ball milling, and then The material after wet ball milling is dried and placed in an atmosphere furnace, and heated to 1500°C at a rate of 12°C / min under a flowing nitrogen atmosphere with a flow rate of 3L / min, and kept for 4 hours to obtain TiN particles; the mass of the titanium dioxide The purity is not less than 98%, the average particle size of titanium dioxide is not greater than 5 μm; the carbon content of the carbon black is not less than 99%, and the average particle size of the carbon black is not greater than 200nm; the mass percentage of TiN in the TiN particle...
Embodiment 3
[0042] The preparation method of the anti-microbial corrosion TiN / Ti ceramic-metal composite coating of the present embodiment comprises the following steps:
[0043] Step 1. Prepare TiN particles by carbothermal reduction method. The specific method is: weigh titanium dioxide and carbon black according to the mass ratio of 69:21, place the weighed titanium dioxide and carbon black in a wet ball mill for wet ball milling, and then The material after wet ball milling is dried and placed in an atmosphere furnace, and heated to 1500°C at a rate of 15°C / min under a flowing nitrogen atmosphere with a flow rate of 3L / min, and kept for 4 hours to obtain TiN particles; the mass of the titanium dioxide The purity is not less than 98%, the average particle size of titanium dioxide is not greater than 5 μm; the carbon content of the carbon black is not less than 99%, and the average particle size of the carbon black is not greater than 200nm; the mass percentage of TiN in the TiN particle...
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