PROCEDURE FOR PRODUCTION OF MULTI-LAYER COATING FOR CUTTING TOOL Russian patent published in 2011 - IPC C23C14/24 C23C14/06 

Abstract RU 2424360 C1

FIELD: metallurgy.

SUBSTANCE: procedure for production of multi-layer coating for cutting tool consists in vacuum-plasma application of three-layer coating. As a lower layer nitride of titanium and iron is applied at pressure of nitrogen in a chamber of the installation 7.5·10-4 Pa and temperature 600°C. Same nitride alloyed with aluminium is applied as an intermediate layer at pressure of nitrogen of 7.5·10-4 Pa and temperature 550°C in the chamber of the installation. As an upper layer nitride of titanium and aluminium is applied at pressure of nitrogen in a chamber of the installation 4.3·10-3 Pa and temperature 500°C.

EFFECT: increased functionality of tool and upgraded quality of treatment.

2 cl, 1 tbl, 1 ex

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RU 2 424 360 C1

Authors

Tabakov Vladimir Petrovich

Tsirkin Aleksej Valer'Evich

Smirnov Maksim Jur'Evich

Sagitov Damir Il'Darovich

Dates

2011-07-20Published

2010-04-13Filed