Texture evolution in AZ91 alloy after hot rolling and annealing
(Faculty of Physics, University of Sciences and Technology Houari Boumediene (USTHB),
BP32, El-Alia, Bab Ezzouar, 16111 Algiers, Algeria)
BP32, El-Alia, Bab Ezzouar, 16111 Algiers, Algeria)
Abstract: A commercial AZ91 magnesium alloy with a random initial texture was subjected to homogenization heat treatment (solution annealing) at 450 °C. This resulted in the appearance of a weak triple (0001)–(1010)–(1120) fibber texture. After hot rolling at 400 °C, the deformation texture was typically (0001) basal with splitting of the basal poles in the rolling direction. After annealing at 450 °C for 36 h, the annealing texture was the retained deformation texture with more homogeneous distribution of poles around the ideal basal orientation. There was no trace of abnormal grain growth.
Key words: AZ91 alloy; texture; hot rolling; recrystallization