4.7 Article

Influence of second-phase precipitates on the texture evolution of Mg-Al-Zn alloys during hot deformation

Journal

SCRIPTA MATERIALIA
Volume 66, Issue 3-4, Pages 159-162

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2011.10.028

Keywords

Deformation; Texture; Twinning; Slip; Precipitates

Funding

  1. CSC from China
  2. Alexander von Humboldt (AvH) Foundation

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Three Mg-Al-Zn alloys (AZ31, AZ61 and AZ91) were subjected to plane-strain compression at different temperatures (200 and 400 degrees C) and strain rates (10(-2) and 10(-4) s(-1)). The effect of second-phase precipitates on the texture evolution was investigated. It was found that a high level of Mg(17)Al(12) precipitates impeded extension twinning and enhanced dynamic recrystallization, resulting in weak deformation textures. (C) 2011 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

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