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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 13    No. 2    April 2003

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Relationships between deformation mechanisms and initial textures in polycrystalline magnesium alloys AZ31
YANG Ping(杨 平)1, CUI Feng-e(崔凤娥)1
BIAN Jian-hua(边建华)1, G Gottstein2

1. School of Materials Science and Engineering, 
University of Science and Technology Beijing, Beijing 100083, China; 
2. Institut für Metallkunde und Metallphysik,
 RWTH Aachen, 52056, Aachen, Germany

Abstract:Microscopy, X-ray diffractometry and EBSD analysis were applied to inspect the relationships between deformation mechanisms and initial textures in polycrystalline magnesium alloys AZ31. It is found that different deformation mechanisms proceed according to theoretic prediction. Basal slips occur when basal planes of grains are tilted toward normal direction(ND) around transverse direcation(TD); prism slips dominate when basal planes are perpendicular to TD. {101-2} twinning was favored when basal planes are normal to rolling direction(RD) and {101-1} twinning is analyzed to be related to the basal orientation of grains. 

 

Key words:   magnesium alloy; deformation; texture

ISSN 1672-7029
CN 43-1423/U

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