Abstract

Nuclear materials undergo degradations due to neutron/matter interaction. The degradation initially occurs at atomic scale. The French GENESIS platform, divided among three sites in France: GPM Rouen, CIMAP Caen and CEA Saclay, gathers experimental nanoanalysis tools devoted to irradiated and radioactive materials. Results allow understanding, modelling, and finally simulation of the long time behaviour of the nuclear materials. In GPM Rouen, this platform will give access to tomographic atom probe, transmission electron microscopy with in‐situ experiments (heating, in‐situ straining tests, tomography) and a dual beam station for sample preparation in active materials irradiated in nuclear power plants. The samples may reach an activity of 200 MBq. These characterizations will allow the extraction of reliable data necessary to develop and validate the multi‐scale numerical simulation of metal, oxide, ceramic or glass materials. Facilities in GPM Rouen are open since March 2016. The study of irradiated and radioactive materials will begin in September 2016. Characteristics of the techniques will be described with some results that may be achieved as well as the protocol access.

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