The invention relates to a production process of a composite material composed
of aggregates of a blend of UO2 and of PuO2 dispersed in
a UO2 matrix comprising the steps of dry co-grinding of a UO2 powder
and of a PuO2 powder in order to obtain a homogenous primary blend,
of consolidating the primary blend in order to obtain cohesive aggregates, of sieving
the aggregates in a range of 20 to 350 m, of diluting the sieved aggregates
in a UO2 matrix in order to obtain a powder blend, of pelletising the
powder blend and of sintering the pellets obtained in order to obtain the composite.
