Dislocation structures, in 18R single crystals which were deformed at temperature above room temperature, were studied by means of transmission electron microscopy. It was shown that the antiphase boundary which linked the super-partial dislocations increased in width during annealing.

Effect of Temperature on Superdislocation Dissociation in Cu-Zn-Al 18R Single Crystals. A.Cuniberti, M.Niewczas: Scripta Materialia, 2001, 45[7], 853-8