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Interaction between molten corium UO2+X-ZrO2-FeO y and VVER vessel steel
Alexandrov Scientific-Research Technology Institute, Sosnovy Bor.ORCID iD: 0000-0001-7816-8442
Alexandrov Research Institute of Technologies (NITI).
A.P. Aleksandrov Research Institute of Technology.
A.P. Aleksandrov Research Institute of Technology.
Show others and affiliations
2009 (English)In: Proceeding of International Conference on Advances in Nuclear Power Plants, ICAPP 2008, Curran Associates, Inc., 2009, Vol. 170, 210-218 p.Conference paper, Published paper (Refereed)
Abstract [en]

In case of an in-vessel corium retention (1VR) the deterioration of vessel steel properties can be caused both by the steel melting and by its physicochemical interaction with corium. The interaction behavior has been studied in the medium-scale experiments with a prototypic corium within the METCOR project. The resulting experimental data give an insight into the steel corrosion during its interaction with U02+x- Zr02- FeOy melt in air and steam. It has been observed that the corrosion rate is almost the same in air and steam atmosphere; if the temperature on the interaction interface increases beyond a certain level, corrosion intensifies, which is explained by the formation of liquid phases in the interaction zone. The available experimental data have been used for developing a correlation of corrosion rate versus temperature and heat flux.

Place, publisher, year, edition, pages
Curran Associates, Inc., 2009. Vol. 170, 210-218 p.
Keyword [en]
Experimental data, In-vessel, Interaction behavior, Interaction interface, Interaction zone, Liquid phasis, Molten Corium, Physicochemical interactions, Steelmelting, Vessel steel
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:kth:diva-53273ISBN: 9781605607870 (print)OAI: oai:DiVA.org:kth-53273DiVA: diva2:469852
Conference
International Conference on Advances in Nuclear Power Plants, ICAPP 2008
Note
cited By (since 1996) 0. QC 20120110Available from: 2011-12-27 Created: 2011-12-26 Last updated: 2012-01-21Bibliographically approved

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Bechta, Sevostian

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CiteExportLink to record
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  • apa
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