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(19)

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2 475 333

(13)

(51)

IPC

B22F3/20(2006-01-01)

H01L35/18(2006-01-01)

(21) (22)

Application

2011138318/02, 2011-09-19

(24)

Start date

2011-09-19

(22)

Actual filing date

2011-09-19

(45)

Published

2013-02-20

(72)

Inventor

Drabkin Igor' AbramovichKarataev Vladimir ViktorovichLavrent'Ev Mikhail Gennad'EvichOsvenskij Vladimir BorisovichParkhomenko Jurij NikolaevichSorokin Aleksandr Igorevich

(73)

Holder

Rossijskaja Federatsija, Ot Imeni Kotoroj Vystupaet Gosudarstvennaja Korporatsija Po Atomnoj Ehnergii

METHOD OF EXTRUDING THERMOELECTRIC MATERIAL BASED ON BISMUTH AND STIBIUM CHALCOGENIDES Russian patent published in 2013 - IPC B22F3/20 H01L35/18

Abstract RU 2475333 C1

FIELD: process engineering.

SUBSTANCE: invention relates to production of thermoelectric material based on bismuth and stibium chalcogenides by hot extrusion. Said material may be used for thermoelectric conversion of energy. Formed thermoelectric material billet is heated to 370-470°C by variable unipolar pulsed electric current at the pressure of 26-36 MPa.

EFFECT: ten- to twenty-fold decrease in extrusion pressure, improved material properties.

1 dwg, 2 tbl, 2 ex

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RU 2 475 333 C1

Authors

Drabkin Igor' Abramovich

Karataev Vladimir Viktorovich

Lavrent'Ev Mikhail Gennad'Evich

Osvenskij Vladimir Borisovich

Parkhomenko Jurij Nikolaevich

Sorokin Aleksandr Igorevich

Dates

2013-02-20—Published

2011-09-19—Filed