Wear-resistant coating of cutting tool and method of applying sa

Stock material or miscellaneous articles – Composite – Of inorganic material

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428472, 428699, 428701, 428702, 428704, 428697, 428627, 51309, 407119, 148905, 1062865, 10628718, B32B 900, B32B 1504, B23P 1528

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047538546

ABSTRACT:
A wear-resistant coating of a cutting tool has at least a single layer of an interstitial phase which comprises alloying components and a non-metallic component the content of which falls within the boundaries of a region wherein a compound of this interstitial phase having the greatest thermodynamic stability is homogeneous. One of the alloying components functions as a catalyst which facilitates the compound with the high thermodynamic stability to form. A method of applying the wear-resistant coating to a cutting tool provides for condensing matter by virtue of ion bombardment and consists in introducing the catalyst into a vacuum by evaporating the material of a cathode and depositing a layer of coating on the base material of the cutting tool at a temperature thereof which permits a catalytic reaction to take place owing whereto the content of the non-metallic component falls within the boundaries of a region wherein the compound with the highest thermodynamic stability is homogeneous.

REFERENCES:
patent: 4436830 (1984-03-01), Andreev et al.
patent: 4447263 (1984-05-01), Sugizawa et al.
Fizika i khimia obrabotki materialov, izdatelstvo Nauka, No. 2, 1979, pp. 169-170.

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