Cold-rolling of amorphous Al88Y7Fe5 ribbons could induce Al nanocrystal development and growth mainly in shear bands and it could fragment thermally-induced Al nanocrystals into smaller Al nanocrystals to provide for a size distribution control. Dislocations were observed for deformation-induced Al nanocrystals for particle sizes above about 11 nm by 4nm.

Dislocation Formation during Deformation-Induced Synthesis of Nanocrystals in Amorphous and Partially Crystalline Amorphous Al88Y7Fe5 Alloy. R.J.Hebert, J.H.Perepezko, H.Rösner, G.Wilde: Scripta Materialia, 2006, 54[1], 25-9