Thermal shock resistant geopolymers as refractory material for core catcher

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F26722445%3A_____%2F24%3AN0000125" target="_blank" >RIV/26722445:_____/24:N0000125 - isvavai.cz</a>
Result on the web
<a href="https://www.ermsar2024.conf.kth.se/proceedings-1.1357224" target="_blank" >https://www.ermsar2024.conf.kth.se/proceedings-1.1357224</a>
DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Thermal shock resistant geopolymers as refractory material for core catcher
Original language description
Geopolymers have been intensively studied for immobilization of radioactive waste, but they can be beneficial in other applications. These materials show strong resistance to radiation, low moisture content and possibility of incorporation of various additives to modify their properties. This universality makes them a potential sacrificial, structural, or refractory component in passive or active safety systems in nuclear power plants (NPPs). [1] This may enhance the safety of NPPs and help to mitigate the severe accident consequences. This paper presents a scoping interaction test of a geopolymer refractory material with prototypic corium melt. The corium mixture was achieved by induction skull melting technology and poured on a geopolymer refractory plate with high MgO content. The results suggest a good resistance of geopolymers to corium impact and minimal interaction observed through post-test analysis. The good thermal shock resistance and low thermal conductivity make this material interesting for application in first contact layers, refractory sacrificial materials etc. Presented at ERMSAR 2024 - The 11th European Review Meeting on Severe Accident Research Conference.
Czech name
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Czech description
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Publication year
2024
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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