[Background]Within GEN-IV reactors,nuclear graphite plays a crucial role as both a moderator and reflector in an environment characterized by high temperatures and intense fast neutron irradiation.The exposure to fast neutron irradiation induces the formation of numerous Frankel defects in the nuclear graphite.These defects undergo processes of annihilation and diffusion,ultimately giving rise to larger defect clusters.This transformation in the microstructure of nuclear graphite directly impacts its macroscopic properties,necessitating a thoro...
