Recoil energy spectrum analysis and impact effect of cascade and subcascade in 14 mev d-t fusion neutron irradiated FCC metals

摘要: Abstract An analysis of cascade and subcascade formation in fcc metals by D-T fusion neutron irradiation is made fitting the experimentally observed distribution zone size number subcascades to calculated primary recoil energy spectrum. The categorizing into closely space (Ag, Au) widely separated (Cu, Ni). subdivided estimated. estimated density a as high several tens eV/atom, which enough raise local temperature far beyond melting temperature. A discussion on reactions during cooling, suggesting inadequacy conventional radiation damage parameter DPA. existence impact effects from other cascades reveal collision induced invisible vacancies visible vacancy clusters concluded. kinetics type microstructure evolution effect, sphere influence impac...