Mechanical behavior of deformed AZ91D magnesium alloy during semi-solid isothermal compression
Mechanical behavior of deformed AZ91D magnesium alloy during semi-solid isothermal compression
复制标题
变形AZ91D镁合金半固态等温压缩力学行为
DOI：
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发表时间：
2007
期刊：
影响因子：
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通讯作者：
Tang, Quan-Bo
中科院分区：
文献类型：
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作者：
Zou, Jing-Xiang;Jiang, Ju-Fu;Luo, Shou-Jing;Tang, Quan-Bo
In order to know the mechanical characteristic of processed AZ91D magnesium alloy by equal channel angular extrusion(ECAE) during semi-solid isothermal compression,its mechanical behavior during semi-solid isothermal compression was investigated using semi-solid isothermal compression test,Gleeble1500 test machine and metalloscope.The results showed during semi-solid isothermal compression,deformation mainly of semi-solid billet depended on plastic deformation of solid phases and their rotation and sliding.There were drastic increase of true stress,drastic falling of true stress,steady stage and increase of true stress in its true stress-strain curve.With the increase of holding time or compression temperature,required true stress for obtaining same true strain fell evidently and peak stress and steady stress also fell in true stress-strain curve.With increasing strain rate,steady stress also increased.
