METHOD FOR OBTAINING MULTI-LAYERED COATING FOR CUTTING TOOL Russian patent published in 2013 - IPC C23C14/24 C23C14/06 B23B27/14 

Abstract RU 2490363 C1

FIELD: metallurgy.

SUBSTANCE: first, lower layer of nitride of titanium, niobium and molybdenum is applied at the following component ratio, wt %: titanium 86.5-92.0, niobium 4.0-8.0, molybdenum 4.0-5.5. After that, intermediate layer of carbonitride of titanium, niobium and molybdenum compound is applied at the following component ratio, wt %: titanium 86.5-92.0, niobium 4.0-8.0, molybdenum 4.0-5.5. After that, upper layer of nitride of titanium and niobium compound is applied at the following component ratio, wt %: titanium 88.0-94.0, niobium 6.0-12.0. Application of coating layers is performed with three cathodes horizontally located in one plane; the first and the second of the above cathodes are made from titanium and niobium and located opposite to each other, and the third cathode is made from titanium and molybdenum and located between them. Lower and intermediate layers are applied using all the three cathodes, and upper layer is applied using the first and the second cathodes.

EFFECT: improving operability of cutting tool.

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RU 2 490 363 C1

Authors

Tabakov Vladimir Petrovich

Chikhranov Aleksej Valer'Evich

Vlasov Stanislav Nikolaevich

Dates

2013-08-20Published

2012-06-26Filed