The macrotextures and microstructures of a magnesium alloy AZ31 during static recrystallization were determined. These data were interpreted according to a microtexture analysis, performed with the electron back-scattering diffraction technique, of new grains formed at compression twins in the early stage of static recrystallization. The results showed that the orientation characteristics in local regions during nucleation were similar to those of sub-grains within compression twins or shear bands. However, the new grains mainly take the orientations of the sub-grains, which were subjected to complicated orientation rotations. This phenomenon was attributed to the large amount of their stored energy. Despite the difference between new grain orientations and those of the deformed matrix, the retained deformation texture after annealing was explained mainly by the incomplete recrystalization of magnesium.

Orientational Analysis of Static Recrystallization at Compression Twins in a Magnesium Alloy AZ31. X.Li, P.Yang, L.N.Wang, L.Meng, F.Cui: Materials Science and Engineering A, 2009, 517[1-2], 160-9