METHOD FOR OBTAINING MULTI-LAYERED COATING FOR CUTTING TOOL Russian patent published in 2015 - IPC C23C14/06 C23C14/24 B23B27/14 

Abstract RU 2553771 C1

FIELD: metallurgy.

SUBSTANCE: vacuum plasma application of multi-layered coating is performed. First of all lower layer of titanium, silicon and chromium nitrides is applied at the following ratio of components in wt %: titanium 87.1-90.5, silicon 1.0-1.4, chrome 8.5-11.5. Then, an upper layer of niobium nitride is applied. Application of coating layers is performed with three cathodes located horizontally in one plane, the first one of which consists of titanium and niobium alloy, and the second one consists of niobium and is located opposite to the first one, and the third one consists of titanium and chrome and is located between them. The lower layer is applied using the first and the third cathodes, and the upper layer is applied using the second cathode.

EFFECT: improving operability of cutting tool.

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RU 2 553 771 C1

Authors

Tabakov Vladimir Petrovich

Chikhranov Aleksej Valer'Evich

Vlasov Stanislav Nikolaevich

Sagitov Damir Il'Darovich

Gataullov Il'Mir Nailevich

Dates

2015-06-20Published

2013-12-03Filed