Yttria stabilized zirconia as a hot corrosion protection of fuel cladding

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21220%2F15%3A00240655" target="_blank" >RIV/68407700:21220/15:00240655 - 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
Yttria stabilized zirconia as a hot corrosion protection of fuel cladding
Original language description
The zirconium alloys are used in nuclear engineering for decades, as a fuel cladding or other parts of the fuel assembly. It is an extraordinary material thanks to its good mechanical and neutronic properties. Unfortunately due to the high temperature oxidation it is necessary to protect parts of reactor against the cracking of material which could be severe for whole reactor. One of the promising protecting material is a zirconium dioxide which is forming on a pure zirconium in contact with air. But this dioxide, zirconia, is not stable because of destabilization and transformation of phases upon the cooling. To stabilize zirconia many other oxides may be added (MgO, Y2O3, CeO2, etc.). Especially the yttrium stabilized zirconia (YSZ) shown significant advantages. In order to enhance the stability of YSZ beyond 1200°C, the further doping of system with other elements is required. So far the Ta2O5 addition, creating TaYSZ, is the best candidate with the best hot corrosion resistance properties, so the most promising material for protection of fuel cladding against corrosion degradation.
Czech name
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Czech description
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Project
<a href="/en/project/TE01020455" target="_blank" >TE01020455: Centre for Advanced Nuclear Technologies (CANUT)</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2015
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
International Conference on Nuclear Engineering, Proceedings, ICONE
ISBN
978-4-88898-256-6
ISSN
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e-ISSN
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Number of pages
4
Pages from-to
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Publisher name
ASME
Place of publication
New York
Event location
Makuhari
Event date
May 17, 2015
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
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