TEXTURES AND DEFORMATION MECHANISMS OF AZ31 MAGNESIUM ALLOYS UNDER SPECIAL PROCESSING TECHNOLOGIES

Acta Metall Sin

2009, Vol. 45

Issue (1): 58-62 DOI:

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TEXTURES AND DEFORMATION MECHANISMS OF AZ31 MAGNESIUM ALLOYS UNDER SPECIAL PROCESSING TECHNOLOGIES

WANG Lina¹;YANG Ping¹; XIA Weijun²;CHEN Zhenhua²;CHEN Ding²; LI Xiao¹; MENG Li¹

1 School of Materials Science and Engineering; University of Science and Technology Beijing; Beijing 100083
2 School of Materials Science and Engineering; Hunan University; Changsha 410082

Cite this article:

WANG Lina YANG Ping XIA Weijun CHEN Zhenhua CHEN Ding LI Xiao MENG Li. TEXTURES AND DEFORMATION MECHANISMS OF AZ31 MAGNESIUM ALLOYS UNDER SPECIAL PROCESSING TECHNOLOGIES. Acta Metall Sin, 2009, 45(1): 58-62.

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Abstract

The modifications of basal texture in AZ31 magnesium alloys processed by asymmetrical rolling and equal channel angular rolling (ECAR) are investigated. Deformation mechanisms are determined by microstructure observation and macro- and micro-texture measurements. Results show that during asymmetrical rolling the basal texture is gradually rotated around TD (transverse direction) by basal slip activated by shear strain on the rolling plane, whereas the prism texture is induced by tension twinning activated by shearing parallel to the plane separating the two channels during ECAR. So both the special processing techniques may improve the plasticity of magnesium alloy. The effects of rolling reduction and annealing on textures are also studied and discussed.

Key words: asymmetrical rolling equal channel angular rolling texture twinning AZ31 magnesium alloy

Received: 17 April 2008

ZTFLH:	TG146.2
	TG111.7

Fund:

Supported by National Natural Science Foundation of China (No.50571009) and State Key Laboratory\par
for Advanced Metals and Materials of University of Science and Technology Beijing (No.2007AMM006)

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https://www.ams.org.cn/EN/ OR https://www.ams.org.cn/EN/Y2009/V45/I1/58

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