Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 509, Issue 28, Pages 7579-7584Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2011.04.132
Keywords
Magnesium alloy; Microstructure; Texture; Stretch formability; Mechanical property
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The effects of increasing rolling temperature from 723K to 828K at the last rolling pass on microstructure, texture, mechanical properties and stretch formability of a Mg-3Al-1Zn magnesium alloy previously rolled at 723K were investigated. In the as-rolled condition, the basal texture strengthens slightly with increasing the rolling temperature whereas it weakens more remarkably after static recrystallization during annealing for the sheets rolled at higher temperatures. Only by increasing the rolling temperature from 723K to 798 K, the Erichsen value is significantly increased from 4.5 to 8.6 due to the weakened texture for the annealed sheets. Further increasing the last rolling temperature does not appear to further improve the stretch formability. (C) 2011 Elsevier B.V. All rights reserved.
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