Precipitation and responding damping behavior of heat-treated AZ31 magnesium alloy

被引：25

作者：

Wan, Diqing ^{[1
]}

Wang, Jincheng ^{[1
]}

Wang, Gaifang ^{[1
]}

Lin, Lin ^{[1
]}

Feng, Zhigang ^{[1
]}

Yang, Gencang ^{[1
]}

机构：

[1] NW Polytech Univ, State Key Lab Solidificat Proc, Xian 710072, Peoples R China

来源：

ACTA METALLURGICA SINICA-ENGLISH LETTERS | 2009年 / 22卷 / 01期

基金：

中国国家自然科学基金;

关键词：

Magnesium alloys; Damping behavior; Precipitation; G-L model; Damping peak;

D O I：

10.1016/S1006-7191(08)60063-0

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

Microstructure observation and dynamic mechanical analysis were carried out to investigate the precipitation and responding damping behaviors of AZ31 magnesium alloy. All the strain amplitude-dependent damping curves of the aged alloys are located between the curves of solutionized and as-cast alloys, although they have different critical strain amplitudes. The G-L theory is employed to explain the damping mechanism involving the interaction between the dislocation and the precipitated phase. In addition, a damping peak is observed at temperatures close to 330 degrees C for AZ31 magnesium alloy, which is related to the beta-Mg(17)Al(12) phase dissolution.

引用

页码：1 / 6

页数：6

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