Tensile properties and microstructure of AZ31B magnesium alloy sheet processed by repeated unidirectional bending

被引：23

作者：

Huang Guang-sheng ^{[1
,2
]}

Li Hong-cheng ^{[1
,2
]}

Song Bo ^{[1
,2
]}

Zhang Lei ^{[1
,2
]}

机构：

[1] Chongqing Univ, Coll Mat Sci & Engn, Chongqing 400045, Peoples R China

[2] Chongqing Univ, Natl Engn Res Ctr Magnesium Alloys, Chongqing 400044, Peoples R China

来源：

TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA | 2010年 / 20卷 / 01期

基金：

中国国家自然科学基金;

关键词：

repeated unidirectional bending; magnesium alloys; texture; mechanical properties; microstructure; ELEVATED-TEMPERATURES; MECHANICAL-PROPERTIES; TEXTURAL EVOLUTION; ROOM-TEMPERATURE; FORMABILITY;

D O I：

10.1016/S1003-6326(09)60092-3

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

The mechanical properties of the AZ31B magnesium alloy sheet processed by repeated unidirectional bending (RUB) with a basal pole tilted in the rolling direction were systematically investigated at different temperatures. Compared with the as-received sheet exhibiting approximately the same average grain size, the fracture elongation increased while the proof stress decreased at room temperature. The initial texture had a significant influence on the mechanical properties at room temperature, while it showed a much weaker effect on the mechanical properties because of the activation of non-basal slips and initiation of dynamic recrystallization during deformation at elevated temperature.

引用

页码：28 / 33

页数：6

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