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Fission products and nuclear fuel behavior under severe accident conditions Part 3: Fission Products speciation in the VERDON-1 Sample

C. Le Gall 1, * E. Geiger 2, 1 A. Gallais-During 1 Yves Pontillon 2, 1 J. Lamontagne 3, 1 E. Hanus 1 G. Ducros 1
* Corresponding author
1 CEA-DES (ex-DEN) - CEA-Direction des Energies (ex-Direction de l'Energie Nucléaire)
2 LAMIR - Laboratoire d'Analyse de la Migration des Radioéléments
SA3E - Service d'Analyses, d'Elaboration, d'Expérientations et d'Examens des combustibles : DEN/DEC/SA3E
3 LM2C - Laboratoire de Modélisation Multi-échelles des Combustibles
SESC - Service d'Etudes de Simulation du Comportement du combustibles : DEN/DEC/SESC
Abstract : Qualitative and quantitative analyses on the VERDON-1 sample made it possible to obtain valuable information on fission product behaviour in the fuel during the test. A promising methodology based on the quantitative results of post-test characterisations has been implemented to assess the release fraction of non γ-emitter fission products. The order of magnitude of the estimated release fractions for each fission product was consistent with their class of volatility.
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C. Le Gall, E. Geiger, A. Gallais-During, Yves Pontillon, J. Lamontagne, et al.. Fission products and nuclear fuel behavior under severe accident conditions Part 3: Fission Products speciation in the VERDON-1 Sample. Journal of Nuclear Materials, Elsevier, 2017, 495, pp.291-298. ⟨10.1016/j.jnucmat.2017.08.001⟩. ⟨cea-02380864⟩

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