Journal
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
Volume 618, Issue -, Pages 262-270Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.msea.2014.09.057
Keywords
Extruded AZ31 sheet; Static recrystallization; Annealing; Texture; Formability
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Funding
- National Great Theoretic Research Project [2013CB632200]
- International Cooperation Project [2010DFR50010]
- Chongqing Sci&Tech Support Project [CSTC2013jcyjC60001]
- Sharing fund of Chongqing University's large-scale equipment
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Extruded AZ31B magnesium alloy sheets were stretched to large strains (7%, 13%, 15% and 17%) along the transverse direction, and then were annealed at 350 degrees C for 60 min. The uniaxial tensile tests and Erichsen tests on the as-received sheet and stretched samples in annealed condition (SA) were conducted. The results showed that the microstructure of extruded AZ31B magnesium alloy sheets was modified by static recrystallization (SRX). The basal texture intensity was significantly weakened and its spread became more dispersive. Compared with the as-received sheets, improved mechanical properties of SA sheets were achieved. The Erichsen value was significantly increased from 2.5 to 5.6 by about 124% due to the weakened texture. (C) 2014 Elsevier B.V. All rights reserved.
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