C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
204/96.1
C23C 14/34 (2006.01) B23P 15/28 (2006.01) C04B 41/52 (2006.01) C04B 41/89 (2006.01) C23C 14/02 (2006.01) C23C 14/54 (2006.01) C23C 30/00 (2006.01)
Patent
CA 1196309
CUTTING TOOLS WITH WEAR-RESISTANT COATING OF HEAT-RESISTANT COMPOUNDS OF HIGH-MELTING METALS AND METHOD FOR MANUFACTURING SAME ABSTRACT OF THE DISCLOSURE Cutting tools according to the invention are provided with a wear-resistant coating of heat-resistant compounds of high-melting metals. A layer of a pure metal is provided between the base material and coating. The base materi- al is a ceramic or an aluminum oxide-based metal-ceramic ma- terail. The intermediate layer is discontinuous. Such tools are manufactured by using condensation of plasma material and ion bombardment in order to successively deposit an in- termediate layer of a pure metal and a coating of heat-re- sistant compounds of high-melting metals on the surface of the base material. The intermediate layer is deposited at a temperature of 1/2 TS>T>1/3 TS, where TS is the melting temperature of the metal being deposited and T is the tem- perature of the tool in °K. The condensation rate and the duration of deposition are selected bearing in mind that metal is to be deposited only on defects found on the sur- face of the base material.
422012
Barinov Vitaly N.
Boyarunas Albert M.
Galitskaya Galina K.
Gavrilov Alexei G.
Padalka Valentin G.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Vsesojuzny Nauchno-Issledovatelsky Instrumentalny Institut
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