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2 339 598

(13)

(51)

IPC

C04B35/64(2006-01-01)

C04B35/45(2006-01-01)

(21) (22)

Application

2006142972/03, 2006-12-04

(24)

Start date

2006-12-04

(22)

Actual filing date

2006-12-04

(45)

Published

2008-11-27

(72)

Inventor

Petrov Mikhail IvanovichBalaev Dmitrij AleksandrovichBelozerova Irina LeonidovnaGokhfel'D Denis MikhajlovichPopkov Sergej IvanovichMart'Janov Oleg NikolaevichShajkhutdinov Kirill Aleksandrovich

(73)

Holder

Institut Fiziki Im. L.V. Kirenskogo Sibirskogo Otdelenija Ran

METHOD OF PRODUCING HARD GRAIN-ORIENTED HIGH-TEMPERATURE SUPERCONDUCTIVE CERAMICS ON BISMUTH BASIS Russian patent published in 2008 - IPC C04B35/64 C04B35/45

Abstract RU 2339598 C2

FIELD: construction industry.

SUBSTANCE: method of obtaining hard grain-oriented high-temperature superconductive ceramics on bismuth basis _1.9Ca₂Cu₃O_x, which can be used in electric engineering and transport industry. Porous ceramics with density of 1.8 g/cm³ to 2.4 g/cm³ is treated with ethyl alcohol and exposed to uniaxial compression with pressure of 400-500 MPa at indoor temperature. After that porous ceramics is dried and burnt off at the temperature of 820-850°C for 30-100 hours.

EFFECT: producing hard material with high degree of grain orientation by means of simple and non labour-intensive method.

3 ex, 5 dwg

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RU 2 339 598 C2

Authors

Petrov Mikhail Ivanovich

Balaev Dmitrij Aleksandrovich

Belozerova Irina Leonidovna

Gokhfel'D Denis Mikhajlovich

Popkov Sergej Ivanovich

Mart'Janov Oleg Nikolaevich

Shajkhutdinov Kirill Aleksandrovich

Dates

2008-11-27—Published

2006-12-04—Filed