LFEC and LFEVC of AZ80 magnesium alloy

被引：0
|
作者：
Le, Qichi [1 ]
Cui, Jianzhong [1 ]
Zhang, Zhiqiang [1 ]
Guo, Shijie [1 ]
机构：
[1] NE Univ, Key Lab EPM, Shenyang 110004, Peoples R China
来源：
RARE METALS | 2007年 / 26卷
关键词：
DC casting; low frequency electromagnetic casting (LFEC); low frequency electromagnetic vibration (LFEVC); microstructures; segregation;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effects of a low frequency electromagnetic field and a low frequency electromagnetic vibration field applied during DC casting of AZ80 Mg on microstructures and alloying element distribution in ingots were investigated. The experiments were performed both in absence and in the presence of the magnetic fields. In DC casting, the ingot exhibited coarse microstructure and severe segregation of Al. In the presence of solo low frequency alternating magnetic field, namely LFEC, the grains of the ingot was effectively refined and the segregation of Al was significantly decreased. In LFEVC, namely low frequency electromagnetic vibration casting, the ingot were significantly refined and the segregation was suppressed. With increasing the vibration intensities, the grain refinement and segregation suppression were increased.
引用
收藏
页码：109 / 114
页数：6
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