The article presents the results of the experimental study carried on molten corium and its crystallization products resulted from contact with sacrificial concretes. Experiments were carried out at COMETA installation using induction melting in cold crucible technology in air. The results of the physical-chemical analysis of the examined composite system U4+-U6+-Zr4+-Fe3+-Fe2+-Si4+-Al3+-Ca2+-O2− presented in this paper are based on computational diagram of fusibility of quasi ternary oxide systems. This work was carried out within the framework program KONTAKT-II project, LH12224 “Modeling and investigation of hypothetical non-standard situations at nuclear reactors of new type”, experimental work has been partly supported by the SUSEN Project CZ.1.05/2.1.00/03.0108 (European Regional Development Fund (ERDF)). Recommendations for further investigation are presented in this paper.
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2014 22nd International Conference on Nuclear Engineering
July 7–11, 2014
Prague, Czech Republic
Conference Sponsors:
- Nuclear Engineering Division
ISBN:
978-0-7918-4596-7
PROCEEDINGS PAPER
Modifications in the Structure of Oxide Corium Melt and Phase Formation During Its Crystallization Caused by Interaction With Sacrificial Concretes of Core Catcher
Yurij P. Udalov,
Yurij P. Udalov
Saint-Petersburg State Institute of Technology, Saint-Petersburg, Russia
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Igor Poznyak,
Igor Poznyak
Saint-Petersburg Electrotechnical University “LETI”, Saint-Petersburg, Russia
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Jiří Šrank,
Jiří Šrank
ÚJV Řež, a. s., Husinec, Czech Republic
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Petr Sázávaský,
Petr Sázávaský
ÚJV Řež, a. s., Husinec, Czech Republic
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Monika Kiselová,
Monika Kiselová
ÚJV Řež, a. s., Husinec, Czech Republic
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Martin Strejc,
Martin Strejc
ÚJV Řež, a. s., Husinec, Czech Republic
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Pavel Votava
Pavel Votava
Centrum výzkumu Řež s.r.o, Husinec, Czech Republic
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Yurij P. Udalov
Saint-Petersburg State Institute of Technology, Saint-Petersburg, Russia
Igor Poznyak
Saint-Petersburg Electrotechnical University “LETI”, Saint-Petersburg, Russia
Jiří Šrank
ÚJV Řež, a. s., Husinec, Czech Republic
Petr Sázávaský
ÚJV Řež, a. s., Husinec, Czech Republic
Monika Kiselová
ÚJV Řež, a. s., Husinec, Czech Republic
Martin Strejc
ÚJV Řež, a. s., Husinec, Czech Republic
Pavel Votava
Centrum výzkumu Řež s.r.o, Husinec, Czech Republic
Paper No:
ICONE22-31266, V006T15A034; 7 pages
Published Online:
November 17, 2014
Citation
Udalov, YP, Poznyak, I, Šrank, J, Sázávaský, P, Kiselová, M, Strejc, M, & Votava, P. "Modifications in the Structure of Oxide Corium Melt and Phase Formation During Its Crystallization Caused by Interaction With Sacrificial Concretes of Core Catcher." Proceedings of the 2014 22nd International Conference on Nuclear Engineering. Prague, Czech Republic. July 7–11, 2014. V006T15A034. ASME. https://doi.org/10.1115/ICONE22-31266
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