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Eutectic crystallization in the FeO(1.5)-UO(2+x)-ZrO(2) system
Institute of Silicate Chemistry of Russian Academy of Sciences.
Institut de Radioprotection et Suˆrete´ Nucle´aire (IRSN).
AP Aleksandrov Res Inst Technol, Sosnovyi Bor 188540, Russia.ORCID iD: 0000-0001-7816-8442
European Commission – DG – Joint Research Centre, Institute for Transuranium Elements.
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2009 (English)In: Journal of Nuclear Materials, ISSN 0022-3115, E-ISSN 1873-4820, Vol. 389, no 1, 52-56 p.Article in journal (Refereed) Published
Abstract [en]

Results of the investigation of the FeO(1.5)-UO(2+x)-ZrO(2) system in air are presented. The eutectic position and the content of the phases crystallized at this point have been determined. The temperature and the composition of the ternary eutectic are 1323 +/- 7 degrees C and 67.4 +/- 1.0 FeO(1.5), 30.5 +/- 1.0 UO(2+x), 2.1 +/- 0.2 ZrO(2) mol.%, respectively. The solubilities of FeO(1.5) and ZrO(2) in the UO(2+x)(FeO(1.5), ZrO(2)) solid solution correspond to respectively 3.2 and 1.1 mol.%. The solubilities of UO(2) and ZrO(2) in FeO(1.5) are not significant. The existence of a solid solution on the basis of U(Zr)FeO(4) compound is found. The ZrO(2) Solubility in this solid solution is 7.0 mol.%.

Place, publisher, year, edition, pages
2009. Vol. 389, no 1, 52-56 p.
Keyword [en]
Eutectic crystallizations, Ternary eutectics, Crystallization, Eutectic, Iron oxides, Solidification, Solubility, Zirconium, Zirconium alloys, Solid solutions
National Category
Materials Engineering
URN: urn:nbn:se:kth:diva-53276DOI: 10.1016/j.jnucmat.2009.01.006ISI: 000266777800006OAI: diva2:469825
QC 20111228Available from: 2011-12-27 Created: 2011-12-26 Last updated: 2012-01-21Bibliographically approved

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