One-dimensional atomic transport during radiation damage accumulation in metallic materials under cascade irradiation conditions was considered. Such transport was due to clusters of self-interstitial atoms which formed directly in cascades, and migrated along close-packed crystallographic directions. The reaction kinetics of 1-dimensional migrating clusters were known to be qualitatively different to those of 3-dimensional diffusing point defects. It was suggested that deviations of the reaction kinetics of self-interstitial atom clusters, from those for pure 1-dimensional diffusion, were important for the further development of radiation damage theory. An analysis was performed here of changes in the reaction kinetics of self-interstitial atom clusters, with voids and dislocations, due to spontaneous changes in the cluster glide direction. Two forms of spatial void distribution were considered: random and lattice-like.

Reaction Kinetics of Glissile Interstitial Clusters in a Crystal Containing Voids and Dislocations. A.V.Barashev, S.I.Golubov, H.Trinkaus: Philosophical Magazine A, 2001, 81[10], 2515-32