Motion behavior of non-metallic particles under high frequency magnetic field

被引：8

作者：

Zhang Zhong-tao ^{[1
,2
]}

Guo Qing-tao ^{[3
]}

Yu Feng-yun ^{[2
]}

Li Jie ^{[1
,2
]}

Zhang Jian ^{[1
,2
]}

Li Ting-ju ^{[1
,2
]}

机构：

[1] State Key Lab Mat Modificat Laser Ion & Electron, Dalian 116024, Peoples R China

[2] Dalian Univ Technol, Sch Mat Sci & Engn, Dalian 116024, Peoples R China

[3] Yonsei Univ Met Syst Engn, Ctr Comp Aided Solidificat Proc, Seoul 120749, South Korea

来源：

TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA | 2009年 / 19卷 / 03期

基金：

中国国家自然科学基金;

关键词：

non-metallic particles; high frequency magnetic field; motion behavior; multi-pipe elimination; ELECTROMAGNETIC SEPARATION; ALUMINUM MELT; INCLUSIONS;

D O I：

10.1016/S1003-6326(08)60332-5

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

Non-metallic particles, especially alumina, are the main inclusions in aluminum and its alloys. Numerical simulation and the corresponding experiments were carried out to study the motion behavior of alumina particles in commercial pure aluminum under high frequency magnetic field. At the meantime, multi-pipe experiment was also done to discuss the prospect of continuous elimination of non-metallic particles under high frequency magnetic field. It is shown that: 1) results of numerical simulation are in good agreement with the experimental results, which certificates the rationality of the simulation model; 2) when the intensity of high frequency magnetic field is 0.06 T, the 30 mu m alumina particles in melt inner Could migrate to the edge and be removed within 2 s; 3) multi-pipe elimination of alumina particles under high frequency magnetic Field is also effective and has a good prospect in industrial application.

引用

页码：674 / 680

页数：7

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