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2 527 362

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(51)

IPC

C04B35/50(2006-01-01)

A61N5/10(2006-01-01)

(21) (22)

Application

2013115029/03, 2013-04-04

(24)

Start date

2013-04-04

(22)

Actual filing date

2013-04-04

(45)

Published

2014-08-27

(72)

Inventor

Antanovich Aleksandr AleksandrovichBrazhkin Vadim VeniaminovichZibrov Igor' PetrovichFilonenko Vladimir PavlovichAkulinichev Sergej VsevolodovichDerzhiev Vasilij Ivanovich

(73)

Holder

Federal'Noe Gosudarstvennoe Bjudzhetnoe Uchrezhdenie Nauki Institut Fiziki Vysokikh Davlenij Im. L.F. Vereshchagina Rossijskoj Akademii Nauk Ran)

METHOD OF PRODUCING CERAMIC FROM YTTERBIUM OXIDE Russian patent published in 2014 - IPC C04B35/50 A61N5/10

Abstract RU 2527362 C1

FIELD: chemistry.

SUBSTANCE: ceramic is produced from ytterbium oxide by moulding a workpiece from ytterbium oxide powder (Yb₂O₃), followed by thermal and thermobaric treatment. Thermobaric treatment is carried out in the region of thermodynamic stability of a cubic phase or monoclinic phase of ytterbium oxide in the pressure range of 2.0-8.0 GPa and temperature in the range of 600-1500°C while holding for 5-100 s. When carrying out the pressure method, phase composition can be intentionally changed from pure cubic to pure monoclinic phase with ceramic density of 9.0-10.0 g/cm³.

EFFECT: obtaining a high-strength ceramic with high density, which increases radiation activity and reduces the dimensions thereof.

5 ex, 3 dwg

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RU 2 527 362 C1

Authors

Antanovich Aleksandr Aleksandrovich

Brazhkin Vadim Veniaminovich

Zibrov Igor' Petrovich

Filonenko Vladimir Pavlovich

Akulinichev Sergej Vsevolodovich

Derzhiev Vasilij Ivanovich

Dates

2014-08-27—Published

2013-04-04—Filed