METHOD OF FORMING WEAR-RESISTANT COATING FOR CUTTING TOOLS Russian patent published in 2005 - IPC

Abstract RU 2266350 C2

FIELD: protective coatings.

SUBSTANCE: method comprises vacuum-plasma deposition of multilayer coating under nitrogen atmosphere and is realized as follows. First, basic layer of titanium-zirconium nitride TiZrN 2 μm thick is deposited using two composite Ti-Zr cathodes of titanium alloy. Then, intermediate titanium-zirconium nitride layer 2 μm thick using two composite Ti-Zr cathodes is deposited. Higher titanium-zirconium nitride layer 2 μm thick is deposited using one composite Ti-Zr cathode.

EFFECT: increased efficiency of cutting tool and improved working quality.

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RU 2 266 350 C2

Authors

Tabakov V.P.

Tsirkin A.V.

Dates

2005-12-20—Published

2003-10-31—Filed