b'Nuclear Science User Facilities Conclusion [2.] D.G. Martin, The elstic constants of The present work represents apolycrystalline UO2 and (U,Pu) pioneering study in the applicationmixed oxides: a review and rec-of advanced techniques to measureommendations, High Temp. High micromechanical properties ofPress. 21 (1989) 1324highly radioactive advanced nuclear[3.] F. Cappia, D. Pizzocri, M. Marchet-fuels. First data of Youngs modulusti, A. Schubert, P. Van Uffelen, L. and hardness of fast reactor MOXLuzzi, D. Papaioannou, R. Macin-at burnup exceeding 150 GWd/ Juan, V.V. Rondinella, Microhard-tHM have been obtained. Despite theness and Youngs modulus of high challenges encountered in the currentburn-up UO2 fuel, J. Nucl. Mater. work, the experimental approach479 (2016). doi:10.1016/j.jnuc-sought in this work has been provedmat.2016.07.015.successful in obtaining new data of high relevance for fuel performance[4.] D. Laux, D. Baron, G. Despaux, on a system with high Pu content andA.I. Kellerbauer, M. Kinoshita, high radiotoxicity with extremelyDetermination of high burn-limited exposure to personnel. Furtherup nuclear fuel elastic proper-experiments will be conducted in theties with acoustic microscopy, J. future based on the present approach,Nucl. Mater. 420 (2012) 94100. leveraging the experience gained indoi:https://doi.org/10.1016/j.this project. jnucmat.2011.09.010.References [5.] M. Marchetti, D. Laux, L. Fongaro, [1.] H. Kleykamp, The Chemical StateT. Wiss, P. Van Uffelen, G. Des-of Fission Products in Oxide Fuelspaux, V. V Rondinella, Physical at Different Stages of the Nuclearand mechanical characterization Fuel Cycle, Nucl. Technol. 80of irradiated uranium dioxide (1988) 412422. doi:10.13182/ with a broad burnup range and NT88-A34065. different dopants using acoustic microscopy, J. Nucl. Mater. 494 (2017) 322329. doi:https://doi.org/10.1016/j.jnuc-mat.2017.07.041. 74'