Zirconia-based matrices for actinide management in recycling LWR claddings
We are investigating the use of Light Water Reactor claddings as precursor materials in zirconia-based matrices for the conditioning and transmutation/burning of actinides. This study examined two un-irradiated zirconium-rich claddings: Zircaloy-4 and M5®. After complete oxidation and characterization, both materials were converted into Yttria Cubic-Stabilized-Zirconia (YSZ) and pyrochlore (Nd2Zr2O7), with neodymium used as a surrogate for actinides. We present preliminary results and discuss a potential scenario for an innovative back-end fuel cycle.
RAISON Philippe;
PAVEL Cladiu;
STEINBRÜCK Martin;
WISS Thierry;
2025-12-09
SPRINGER INTERNATIONAL PUBLISHING AG
JRC143197
2059-8521 (online),
https://link.springer.com/article/10.1557/s43580-025-01392-8,
https://publications.jrc.ec.europa.eu/repository/handle/JRC143197,
10.1557/s43580-025-01392-8 (online),
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