Effect of High Vertical Magnetic Field on Directional Solidification Structure of Eutectic MnBi/Bi

Acta Metall Sin

2005, Vol. 41

Issue (6): 588-592 DOI:

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Effect of High Vertical Magnetic Field on Directional Solidification Structure of Eutectic MnBi/Bi

LI Xi; REN Zhongming; DENG Kang; ZHUANG Yunqian; XU Kuangdi

Department of Materials Science and Engineering; Shanghai University; Shanghai 200072

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LI Xi; REN Zhongming; DENG Kang; ZHUANG Yunqian; XU Kuangdi. Effect of High Vertical Magnetic Field on Directional Solidification Structure of Eutectic MnBi/Bi. Acta Metall Sin, 2005, 41(6): 588-592 .

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Abstract Effect of high vertical magnetic field on the directional solidification structure of eutectic MnBi/Bi has been investigated. It has been found that high magnetic field has enhanced the formation of MnBi fiber and make the directional solidification structure of eutectic MnBi/Bi more regular; with the increase of the intensity of the magnetic field, the average spacing and diameters of MnBi fibers increase at same growth rate; magnetic field makes the morphology of MnBi phase change and enhances the faceted growth character of MnBi phase.

Key words: high magnetic field MnBi/Bi eutectic directional solidification

Received: 02 September 2004

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