Effect of Magnetic Field on Air Film Continuous Casting

被引：1
|
作者：
Qu, Fu [1 ]
Cui, Jianzhong [1 ]
机构：
[1] Northeastern Univ, Key Lab Electromagnet Proc Mat, Minist Educ, Shenyang 11000, Peoples R China
来源：
MANUFACTURING PROCESS TECHNOLOGY, PTS 1-5 | 2011年 / 189-193卷
关键词：
Air Film Casting; Meniscus; Static Magnetic Field; Surface Quality; FREQUENCY ELECTROMAGNETIC-FIELD; ALUMINUM-ALLOYS; CREM PROCESS; MICROSTRUCTURES;
D O I：
10.4028/www.scientific.net/AMR.189-193.2827
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The influences of low frequency magnetic field and static magnetic field on the air film casting process are studied in this paper. 6063 aluminum alloy ingot of 174-mm diameter were produced by electromagnetic air film casting process; intensity of the coil current is from 50 to 200A, and frequency is from 15 to 30Hz. The results showed that low-frequency magnetic fields can speed up the flow of liquid metal in sump and the air film stability was undermined, leading to folds and segregations appeared on the ingot surface. Static magnetic field could inhibit the melt to erosion the solidified shell effectively, it's help to improve the speed and pull good surface quality.
引用
收藏
页码：2827 / 2831
页数：5
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