Abstract
Displacement cascades obtained by full molecular dynamics and in its binary collision approximation, as well as random point defect distributions, all having similar overall morphologies, are used as input for long-term radiation damage simulation by an object kinetic Monte Carlo method in α-iron. This model treats naturally point defect fluxes on cascades regions, resulting from cascades generated in other regions, in a realistic way. This study shows the significant effect of the internal structure of displacement cascades and, in particular, SIA agglomeration on the long-term evolution of defect cluster growth under irradiation.
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