Texture evolution in AZ91 alloy after hot rolling and annealing

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)–(10 1¯0)–(11 2¯0) fibber texture. After hot rolling at 400 °C, the deformation texture was typically...

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Bibliographic Details
Published in:Transactions of Nonferrous Metals Society of China 2013-08, Vol.23 (8), p.2215-2221
Main Authors: ALILI, B., AZZEDDINE, H., ABIB, K., BRADAI, D.
Format: Article
Language:English
Subjects:
Annealing
AZ91 alloy
Deformation
Homogenizing
Hot rolling
Magnesium base alloys
Poles
recrystallization
Rolling direction
Surface layer
Texture
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Summary: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)–(10 1¯0)–(11 2¯0) 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.
ISSN:1003-6326
DOI:10.1016/S1003-6326(13)62720-X