Dr. Alan Durif will present the latest developments in finite element modeling to predict the lifetime of components taking into account the influence of neutron irradiation and the progressive change of mechanical properties due to recrystallization. Tungsten damage assessment tools for thermonuclear fusion reactor
A seminar given by
Dr. Alan Durif
Tungsten damage assessment tools for thermonuclear fusion reactor
will take place on
Wednesday, December 1st at 10:30
in the salle du Conseil – service 322 of the PIIM laboratory (Campus St. Jerome)
Abstract: One of the R&D focus in the European fusion energy program is to establish a physical and technological basis for reliable power exhaust during entire operational situations of a DEMOstrational power plant . The tungsten divertor targets are the most thermally loaded in-vessel components in fusion reactor. Following the design adopted for ITER, the baseline PFC (Plasma Facing Component) for DEMO divertor is made of tungsten as armor material . The PFCs lifetime is affected by material degradations under the different loadings including HHF (High Heat Flux) and neutron irradiation . It has been reported a loss of mechanical properties due to recrystallization and embrittlement due to neutron irradiation. Latest finite elements modeling developments allow to predict component lifetime under HHF loading taking into account the influence of neutron irradiation and the progressive mechanical properties change due to recrystallization .
Speaker : Alan Durif is engineer at the Institute for Magnetic Fusion Research (IRFM) of the French Alternative Energies and Atomic Energy Commission (CEA).
 G. Federici et al., Fusion Eng. Des., vol. 109–111, no. 2016
 S. Nogami, et al, Journal of Nuclear Material 543 (2021) 152506
 A.Durif et al, International Journal of Fracture, 2021.
The talk will be preceded by a welcome breakfast at 10:00.
01 décembre 2021, 10h3012h00