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2 367 538

(13)

(51)

IPC

B22C3/00(2006-01-01)

(21) (22)

Application

2008115720/02, 2008-04-21

(24)

Start date

2008-04-21

(22)

Actual filing date

2008-04-21

(45)

Published

2009-09-20

(72)

Inventor

Martjushev Nikita VladimirovichMel'Nikov Aleksandr Grigor'EvichEgorov Jurij Petrovich

(73)

Holder

Gosudarstvennoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Tomskij Politekhnicheskij Universitet

COATING FOR CASTING MOULDS AT CENTRIFUGAL CASTING OF COPPER ALLOYS Russian patent published in 2009 - IPC B22C3/00

Abstract RU 2367538 C1

FIELD: metallurgy.

SUBSTANCE: on surface of casting mold, preheated up to temperature 180-220°C, it is applied coating of a following composition, wt %: superdispersed powder of metals oxides, selected from group - Al₂O₃, MgO, CaO 20-25, with medium size of particles less than 0.5 micrometre, industrial oil - the rest.

EFFECT: coating allows high heat-insulating properties, it is implemented alloying of moulding surface by particles of superdispersed powder, it is implemented to receiving of specified heterophase structure.

3 ex

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RU 2 367 538 C1

Authors

Martjushev Nikita Vladimirovich

Mel'Nikov Aleksandr Grigor'Evich

Egorov Jurij Petrovich

Dates

2009-09-20—Published

2008-04-21—Filed