C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
117/234, 117/85
C23C 16/26 (2006.01) C23C 16/04 (2006.01) C23C 16/46 (2006.01)
Patent
CA 2031098
6OSD00493 CVD DIAMOND COATED ANNULUS COMPONENTS AND METHOD OF THEIR FABRICATION ABSTRACT OF THE DISCLOSURE In its broadcast aspects, the present invention is directed to a method for improving the abrasion resistance of the annular interior surface of an annulus. Such method comprises the steps of (a) placing said annulus heated to an elevated CVD diamond-forming temperature in a vacuum chamber held under reduced pressure; (b) providing a hydrocarbon/hydrogen gaseous mixture within said chamber; (c) at least partially decomposing said gaseous mixture in said chamber;and (d) directing said at least partially decomposed gaseous mixture into said heated annular interior surface. As noted above, spray nozzles, valves, injectors, wire drawing diam, and like annular products are ideally suited for use in accordance with the precepts of the present invention.
Banholzer William F.
Johnson Roger N.
Leonard Gary L.
Mehan Richard L.
Spiro Clifford L.
Company General Electric
Craig Wilson And Company
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