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2 522 747

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(51)

IPC

G21C7/24(2006-01-01)

(21) (22)

Application

2012103152/04, 2012-01-30

(24)

Start date

2012-01-30

(22)

Actual filing date

2012-01-30

(45)

Published

2014-07-20

(72)

Inventor

Nevorotin Vadim KirillovichPetrunin Vadim FedorovichPopov Viktor Vladimirovich

(73)

Holder

Rossijskaja Federatsija, Ot Imeni Kotoroj Vystupaet Gosudarstvennaja Korporatsija Po Atomnoj EhnergiiFederal'Noe Gosudarstvennoe Avtonomnoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Issledovatel'Skij Jadernyj Universitet Mifi" Mifi)

NEUTRON-ABSORBING MATERIAL BASED ON DYSPROSIUM HAFNATE Russian patent published in 2014 - IPC G21C7/24

Abstract RU 2522747 C2

FIELD: chemistry.

SUBSTANCE: invention relates to a neutron-absorbing material based on dysprosium hafnate, which contains dysprosium and hafnium oxides. The material additionally contains molybdenum trioxide, has the following component ratio, wt %: dysprosium oxide 60…70; hafnium oxide 25…35; molybdenum trioxide 3…5, and is obtained by a solid-phase synthesis at a temperature of 1500-1700°C in air. Initial components, used in dysprosium hafnate production, are in a nanostructured state with a value of coherent dispersion area less than 100 nm.

EFFECT: claimed material possesses high physical efficiency, corrosion resistance, and radiation resistance and provides service term of control rods of 15 and more years.

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RU 2 522 747 C2

Authors

Nevorotin Vadim Kirillovich

Petrunin Vadim Fedorovich

Popov Viktor Vladimirovich

Dates

2014-07-20—Published

2012-01-30—Filed