PROCEDURE FOR CUTTING TOOL MULTI-LAYER COATING Russian patent published in 2015 - IPC C23C14/06 C23C14/24 B23B27/14 

Abstract RU 2566220 C1

FIELD: metallurgy.

SUBSTANCE: vacuum - plasma application of multilayer coating is performed. First the lower layer of titanium, silicon and chrome compound nitride is applied at their ratio, wt %: titanium 87.1-90.5, silicon 1.0-1.4, chromium 8.5-11.5, then the upper layer of molybdenum nitride is applied. Coating layers are applied by three cathodes located horizontally in the same plane, the first of which is made from titanium and silicon alloy, the second one - from molybdenum and is placed opposite to the first, and the third is made compound from titanium and chrome and placed between them, and the lower layer is applied using the first and third cathodes, and the upper layer - using the second cathode.

EFFECT: improved serviceability of a cutting tool.

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RU 2 566 220 C1

Authors

Tabakov Vladimir Petrovich

Chikhranov Aleksej Valer'Evich

Vlasov Stanislav Nikolaevich

Sagitov Damir Il'Darovich

Krivov Jurij Georgievich

Dates

2015-10-20Published

2014-10-28Filed