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

Abstract RU 2421541 C1

FIELD: metallurgy.

SUBSTANCE: three-layer coating is applied by means of vacuum-plasma installation. Carbonitride of titanium and chromium is applied as a lower layer at pressure of acetylene of 7.5·10-4 Pa and temperature 600°C in a chamber of the installation. Same carbonitride alloyed with aluminium is applied as an intermediate layer at pressure of acetylene of 7.5·10-4 Pa and temperature 550°C in the chamber of the installation. Carbonitride of titanium and aluminium is applied as an upper layer at pressure of acetylene of 4.3·10-3 Pa and temperature 500°C in the chamber of the above said installation.

EFFECT: production of multi-layer coating ensuring cutting tool raised efficiency and quality of treatment.

2 cl, 1 tbl, 1 ex

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RU 2 421 541 C1

Authors

Tabakov Vladimir Petrovich

Tsirkin Aleksej Valer'Evich

Smirnov Maksim Jur'Evich

Sagitov Damir Il'Darovich

Dates

2011-06-20Published

2010-04-13Filed