METHOD OF PRODUCING MULTI-LAYER COAT FOR CUTTING TOOL Russian patent published in 2011 - IPC C23C14/24 B23B27/14 

Abstract RU 2410466 C1

FIELD: metallurgy.

SUBSTANCE: invention relates to method of applying wear resistant coats on cutting tools and can be used machine building. Vacuum plasma method is used to apply two-layer coat on cutting tool working surface. Titanium and molybdenum nitride, or titanium and chromium nitride, or titanium and niobium nitride are applied as lower layer in installation chamber at nitrogen pressure of 7.5·10-4 Pa and 600°C. The same nitride, zirconium-doped, is applied as upper layer at nitrogen pressure of 4.3·10-3 Pa and 500°C.

EFFECT: higher serviceability and quality of processing.

2 cl, 1 tbl

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RU 2 410 466 C1

Authors

Tabakov Vladimir Petrovich

Tsirkin Aleksej Valer'Evich

Smirnov Maksim Jur'Evich

Sagitov Damir Il'Darovich

Dates

2011-01-27Published

2009-11-06Filed