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2 097 354

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C1

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IPC

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Application

95113339/03, 1995-07-26

(22)

Actual filing date

1995-07-26

(45)

Published

1997-11-27

(72)

Inventor

Lisaj V.Eh.Malen'Kikh A.N.Kulikov B.P.Il'In V.N.Bondarenko A.N.Oskol'Skikh A.P.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa Aljuminievyj Zavod"

METHOD FOR PRODUCTION OF MULTILAYER COATING FOR PROTECTION OF METAL SURFACES Russian patent published in 1997 - IPC

Abstract RU 2097354 C1

FIELD: production of refractory coating intended for protection of metal surfaces, particularly, metal constructions of electrothermal furnaces for production of crystalline silicium. SUBSTANCE: into compositions for applying of carrying layer and consequent layers binder on the base of liquid glass is fed. Molar ratio SiO2:Na2O in said binder is determined according to equation where n is molar ratio SiO2:Na2O,, m is ordinal number of layer being applied. Cohesion between layers is increased 1.5 times, heat resistance of protective coating is increased by 13 %, operation time of multilayer coating is increased 1.2 times. EFFECT: increased operation time of multilayer coating. 1 dwg, 2 tbl

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RU 2 097 354 C1

Authors

Lisaj V.Eh.

Malen'Kikh A.N.

Kulikov B.P.

Il'In V.N.

Bondarenko A.N.

Oskol'Skikh A.P.

Dates

1997-11-27—Published

1995-07-26—Filed

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