Effect of a transverse magnetic field on solidification structure in directionally solidified Al-Cu-Ag ternary alloys

被引：4
|
作者：
Guan, Guang [1 ]
Du, Dafan [1 ]
Fautrelle, Yves [2 ]
Moreau, Rene [2 ]
Ren, Zhongming [1 ]
Li, Xi [1 ,2 ]
机构：
[1] Shanghai Univ, Dept Mat Sci & Engn, Shanghai 200072, Peoples R China
[2] SIMAP EPM Grenoble INP UJF CNRS, F-38402 St Martin Dheres, France
来源：
EPL | 2015年 / 111卷 / 02期
基金：
中国国家自然科学基金;
关键词：
EUTECTIC GROWTH; PB-SN; CONVECTION; LAMELLAR; SYSTEM; ZONE;
D O I：
10.1209/0295-5075/111/28004
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The effect of a transverse magnetic field on solidification structure in directionally solidified Al-Cu-Ag ternary alloys was investigated experimentally. The results show that the application of the transverse magnetic field significantly modified the solidification structures. Indeed, the magnetic field caused the formation of macrosegregation and the transformation of the liquid/solid interface from cellular to planar. Moreover, it was found that the magnetic field refined the eutectic cell and decreased the mushy zone length. This may be attributed to the thermoelectric magnetic convection between eutectic cells. Copyright (C) EPLA, 2015
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页数：6
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