CEA Charged Particle Irradiation Facilities for Nuclear Material Studies

To study the effects of radiation on nuclear materials, the CEA uses various irradiation facilities producing neutrons or charges particles.Neutron facilities have the great advantage to directly produce neutron damages, but have also some drawbacks.The samples are activated and consequently their characterizations need dedicated hot cells, the reactors have fixed experimental parameters and the experiments are long and costly.In order to better understand the mechanisms of radiation damage, experimental simulation can be also conducted with charged particles.In this case, experimental irradiation conditions (temperature, dose, flux, energy) are well controlled and the irradiated samples can be characterized with conventional analytical methods.This presentation will describe the CEA facilities devoted to ion or electron irradiations for material studies.Examples of irradiations performed at JANNUS (Joint Accelerators for Nano-science and NUclear Simulation) will be detailed (Fig. 1).Fig. 1: Schematic view of the JANNUS platform at Saclay.

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