Cutting tool and method of manufacture thereof

Details Cutting tool and method of manufacture thereof Cutting tool and method of manufacture thereof

C - Chemistry, Metallurgy

23

C

29/45, 204/96.05

C23C 8/36 (2006.01) B23B 27/14 (2006.01) B23P 15/28 (2006.01) C23C 14/00 (2006.01) C23C 16/30 (2006.01) C23C 30/00 (2006.01)

Patent

CA 1219549

Abstract of the Disclosure A cutting tool comprises a base having a coat including a refractory microcrystal compound comprising a metal and elements of the C, N, O, B, Si group, said coat being formed by heating the base with metal-ion bombardment and simultaneously intro- ducing a gas reagent containing elements of the C, N, O, B, Si group. The base is heated to a point not less than 100°C. below its softening temperature and maintained within the range from said tempera- ture to +50°C. A maximum number of the micro- crystals is oriented parallel to the base in the same crystallographic plane at a gas-reagent pres- sure being kept in the range from 13.33 to 1.33-10-2Pa.

445276

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