NANOSTRUCTURED PROTECTIVE COATING FOR STAINLESS STEEL Russian patent published in 2009 - IPC C23C30/00 B82B3/00 B32B15/00

Abstract RU 2348741 C2

FIELD: metallurgy.

SUBSTANCE: invention concerns nano-structured coatings for stainless steel and can be used at operation of stainless steel in the capacity of materials for constructional and technological purposes of petrochemical industry. Coating contains a layer made of titanium nitride and intermediate layer made of silicon carbide of thickness from 5 till 10 nm. Layer made of titanium nitride has thickness from 25 till 50 nm, and layer made of silicon carbide - from 5 till 10 nm. Coating has total thickness 30-60 nm and total content, wt %: SiC - 16.6 and TiN - 83.4.

EFFECT: increasing of materials corrosion resistance at operating in acid environment and at higher temperature.

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RU 2 348 741 C2

Authors

Smirnov Vladimir Mikhajlovich

Zemtsova Elena Georgievna

Morozov Pavel Evgen'Evich

Dates

2009-03-10—Published

2007-01-26—Filed