Solidification Structure of Primary MnBi Phase in Bi-Mn Alloy Under High Magnetic Field

Acta Metall Sin

2005, Vol. 41

Issue (7): 685-690 DOI:

Research Articles

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Solidification Structure of Primary MnBi Phase in Bi-Mn Alloy Under High Magnetic Field

LI Xi; REN Zhongming; YU Jianbo; WANG Hui; DENG Kang

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

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LI Xi; REN Zhongming; YU Jianbo; WANG Hui; DENG Kang. Solidification Structure of Primary MnBi Phase in Bi-Mn Alloy Under High Magnetic Field. Acta Metall Sin, 2005, 41(7): 685-690 .

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Abstract The influence of high intensity magnetic field on the solidified structure and behavior of Bi--6%Mn alloy has been investigated experimentally. The morphology of primary MnBi phase in the alloy cooled to 360℃ from melt and hemi--melt above Curie temperature at 10 T magnetic field was blade-like and its short axis is the easy magnetization. Under high intensity magnetic field, the easy magnetization axis turned to the direction of magnetic field and aggregated along the direction of magnetic field, and finally formed lath--like structure. The solidified microstructure of Bi--Mn alloy under magnetic field was discussed on the base of magnetization and crystal growth theory.

Key words: Bi--Mn alloy high magnetic field easy magnetization axis

Received: 29 October 2004

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	LI Xi
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	YU Jianbo
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https://www.ams.org.cn/EN/ OR https://www.ams.org.cn/EN/Y2005/V41/I7/685

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