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Effects of low-frequency magnetic field on grain boundary segregation in horizontal direct chill casting of 2024 aluminum alloy

中国铸造2005，Vol.2Issue(1)：44-47,4.

Effects of low-frequency magnetic field on grain boundary segregation in horizontal direct chill casting of 2024 aluminum alloy

作者信息

1. The Key Laboratory of Electromagnetic Processing of Materials, Ministry of Education, Northeastern University, Shenyang 110004, Liaoning, P. R. China;The Key Laboratory of Electromagnetic Processing of Materials, Ministry of Education, Northeastern University, Shenyang 110004, Liaoning, P. R. China;The Key Laboratory of Electromagnetic Processing of Materials, Ministry of Education, Northeastern University, Shenyang 110004, Liaoning, P. R. China;The Key Laboratory of Electromagnetic Processing of Materials, Ministry of Education, Northeastern University, Shenyang 110004, Liaoning, P. R. China;The Key Laboratory of Electromagnetic Processing of Materials, Ministry of Education, Northeastern University, Shenyang 110004, Liaoning, P. R. China
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摘要

Abstract

Effects of low frequency electromagnetic field on grain boundary segregation in horizontal direct chill (HDC)casting process was investigated experimentally. The grain boundary segregation and microstructures of the ingots,which manufactured by conventional HDC casting and low frequency electromagnetic HDC casting were compared.Results show that low frequency electromagnetic field significantly refines the microstructures and reduces grain boundary segregation. Decreasing electromagnetic frequency or increasing electromagnetic intensity has great effects in reducing grain boundary segregation. Meanwhile, the governing mechanisms were discussed.

关键词

low frequency electromagnetic field/grain boundary segregation/horizontal direct chill casting

Key words

low frequency electromagnetic field/grain boundary segregation/horizontal direct chill casting

分类

矿业与冶金

引用本文复制引用

..Effects of low-frequency magnetic field on grain boundary segregation in horizontal direct chill casting of 2024 aluminum alloy[J].中国铸造,2005,2(1):44-47,4.

基金项目

This research was supported by Major State Basic Research Project of China, Grant No.: G1999064905, and the National Natural Science Foundation of China, No.59974009. （）

中国铸造

ISSN：1672-6421

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