Nano composite titanium-chromium-aluminum-silicon nitride cutter coat and preparation method thereof
A nano-composite, aluminum-silicon oxide technology, applied in coatings, metal material coating processes, ion implantation plating, etc., can solve problems that cannot meet the requirements for better performance of cutting tools, and achieve practical use value and huge market Potential, the effect of meeting the need for better performance
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[0021] The present invention uses physical vapor deposition technology to coat a layer of titanium / titanium nitride transition layer on the surface of the WC / Co cemented carbide tool substrate, and then coats a layer of titanium-chromium-aluminum-silicon-nitride coating material, wherein the transition layer The thickness is 0.1-0.5 microns, and the thickness of the titanium-chromium-aluminum-silicon oxide coating is 1-4 microns.
[0022] The coating formulations are as follows:
[0023] Titanium 40at.%, Chromium 10at.%, Aluminum 10at.%, Silicon 5at.%, Nitrogen 35at.%;
[0024] Titanium 25at.%, Chromium 20at.%, Aluminum 20at.%, Silicon 5at.%, Nitrogen 30at.%;
[0025] Titanium 30at.%, Chromium 15at.%, Aluminum 15at.%, Silicon 10at.%, Nitrogen 30at.%;
[0026] Titanium 45at.%, Chromium 5at.%, Aluminum 5at.%, Silicon 5at.%, Nitrogen 40at.%;
[0027] Titanium 25at.%, Chromium 10at.%, Aluminum 10at.%, Silicon 15at.%, Nitrogen 40at.%;
[0028] Titanium 40at.%, Chromium 20at.%, ...
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