Preparation method of TiC ceramic coating
一种陶瓷涂层、电极的技术,应用在TiC陶瓷涂层的制备领域,能够解决存在显微裂纹、限制应用、工艺稳定性差等问题,达到膜基结合力高、工艺稳定性高、镀膜成本低的效果
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[0021] The principle diagram of the present invention is as figure 1 As shown, the preparation process is carried out on an ordinary EDM machine tool, the liquid medium is industrial aviation kerosene; the discharge electrode is a metal Ti electrode, and the substrate to be deposited, that is, the workpiece electrode (4) is 45# carbon steel. The deposition area is 80mm 2 , the preparation method of TiC ceramic coating of the present invention comprises the following steps:
[0022] 1) The bulk metal Ti electrode (1) and workpiece electrode (4) are placed in kerosene (2);
[0023] 2) connecting the anode of the pulse power supply (3) to the bulk metal Ti electrode (1), and connecting the cathode of the pulse power supply (3) to the workpiece electrode (4);
[0024] 3) Turn on the pulse power supply (3), the Ti metal ions released by the discharge of the metal Ti electrode (1) in the liquid medium and the C ions ionized in the kerosene (2) perform electrochemical reactions und...
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