Effects of low-frequency electromagnetic field on microstructure and macrosegregation of HDC casting 2024 aluminum alloy

被引：0
|
作者：
Zhu, Qing-Feng [1 ]
Zhao, Zhi-Hao [1 ]
Cui, Jian-Zhong [1 ]
Wang, Jing [1 ]
机构：
[1] Key Laboratory for Electromagnetic Processing of Materials, Northeastern University, Shenyang 110004, China
来源：
Dongbei Daxue Xuebao/Journal of Northeastern University | 2007年 / 28卷 / 07期
关键词：
Continuous casting - Electromagnetic fields - Ingots - Microscopic examination - Microstructure - Optical microscopy - Refining - Sampling;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Investigates experimentally and comparatively the as-cast microstructure and Cu macrosegregation of 2024 Al alloy ingots by HDC (horizontal direct chill) continuous casting process in low-frequency electromagnetic field and those by conventional horizontal continuous casting process, where the cross-sectional area of specimens is 40 mm × 200 mm. The two different specimens were both inspected by optical microscopy and chemically analyzed sampling from their cross-sectional areas. The result showed that the low-frequency electromagnetic field can greatly improve the microstructure with grain refining, and reduce the Cu macrosegregation on cross-sectional area for uniform distribution.
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页码：998 / 1001
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