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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 19    No. 3    June 2009

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Texture evolution of extruded AZ31 magnesium alloy sheets
YU Kun(余 琨), RUI Shou-tai(芮守泰), WANG Xiao-yan(王晓艳),
WANG Ri-chu(王日初), LI Wen-xian(黎文献)

School of Materials Science and Engineering, Central South University, Changsha 410083, China

Abstract:The evolution of texture during the annealing and hot rolling process of extruded AZ31 magnesium alloy sheets was studied. There are two kinds of texture components in the extruded AZ31 sheets. One is {0002}<1`010> and the other is {1`010}<1`120>. The {0002}<1`010>component predominates. After annealing at 723 K for 3 h, both {0002}<1`010> and {1`010}<1`120> components are strengthened moderately. This indicates that grains with both two components mentioned above grow faster than those with other orientations. The {1`010}<1`120> component disappears and the intensity of {0002}<1`010> component decreases significantly after hot rolling with a 30% reduction at 623 K. This is mainly attributed to rotational dynamic recrystallization (RDX) during the hot rolling.

 

Key words: AZ31 magnesium alloy; texture; extruded sheet; inverse pole figure

ISSN 1672-7029
CN 43-1423/U

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