The results of the irradiation experiment HELIOS

► Fuels tested:(Pu,Am,Zr,Y)O2;(Am,Zr,Y)O2;Am2Zr2O7+MgO;(Pu,Am)O2+Mo;(Am,Zr,Y)O2+Mo. ► The HELIOS irradiation has been concluded, as planned, successfully. ► The objectives of the experiment, temperature and burn-up, have been fulfilled. ► The irradiation of such kind of nuclear fuel didn't show any particular problems.