Microstructural evolution during recovery of deformed aluminium—Effect of deformation strain

Abstract Recovery takes place during annealing of a deformed metal, releasing some the stored energy. Many recovery mechanisms have been proposed in literature and these strongly depend on deformation microstructure. In this work, recent progress study aluminium is reviewed. lightly aluminium, subgrain growth (through boundary migration coalescence) found to be an important mechanism, whereas heavily samples, uniform coarsening through Y-junction motion dominant mechanism. The kinetics follows universal model for both low high strains, which apparent activation energy increases course recovery. Furthermore, new definition suggested compatible with observations at strains.