Experimental Investigation and Thermodynamic Simulation of the Uranium Oxide - Zirconium Oxide - Iron Oxide in Air

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F46356088%3A_____%2F11%3A%230001022" target="_blank" >RIV/46356088:_____/11:#0001022 - isvavai.cz</a>

Result on the web

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DOI - Digital Object Identifier

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Result language

angličtina

Original language name

Experimental Investigation and Thermodynamic Simulation of the Uranium Oxide - Zirconium Oxide - Iron Oxide in Air

Original language description

Melts in the UO2?UO3?ZrO2?FeO1.33?FeO1.5 system in air behave as two-phase liquids when the uranium oxide content is lower than 50 wt % and the iron oxide content is higher than 25 wt %. Melts in the UO2?UO3?ZrO2?FeO1.33?FeO1.5 system at an uranium oxidecontent lower than 50 wt % and an iron oxide content higher than 25 wt % actively exchange oxygen with atmosphere. The content of dissolved oxygen increases with a decrease in the temperature and reaches 2 wt % at 1400 °C. After the crystallization of the melt, dissolved oxygen leads to the formation of oxides containing uranium in an oxidation state of +6: UO2.2, UO2.66, and FeUO4 (see also [12]). Ingots prepared from two-phase melts in the UO2?UO3?ZrO2?FeO1.33?FeO1.5 system consist of isometric grains with structures of uranite, tetragonal modification of the zirconium oxide, and magnetite, which are separated by regions of two eutectics that differ in the composition and morphology of crystals.

Czech name

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Czech description

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Type

J_x - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

CEP classification

CF - Physical chemistry and theoretical chemistry

OECD FORD branch

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Project

<a href="/en/project/ME%20944" target="_blank" >ME 944: Monitoring of physical and chemical properties of oxidic meltings on CORIUM base using extremely high temperatures, modeling of non-standard states in VVER Nuclear Power Plants</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2011

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Glass Physics and Chemistry

ISSN

1087-6596

e-ISSN

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Volume of the periodical

37

Issue of the periodical within the volume

2

Country of publishing house

US - UNITED STATES

Number of pages

18

Pages from-to

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UT code for WoS article

000290043000013

EID of the result in the Scopus database

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