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Formation of chainlike structures in an Mn-89.7 wt%Sb alloy during isothermal annealing process in the semisolid state in a high magnetic field

Published online by Cambridge University Press:  31 January 2011

Tie Liu ,
Qiang Wang ,
Chao Zhang ,
Ao Gao ,
Donggang Li  and
Jicheng He
Qiang Wang*
Affiliation:
Key Laboratory of Electromagnetic Processing of Materials (Ministry of Education), Northeastern University, Shenyang 110004, China
Jicheng He
Affiliation:
Key Laboratory of Electromagnetic Processing of Materials (Ministry of Education), Northeastern University, Shenyang 110004, China
*
a) Address all correspondence to this author. e-mail: [email protected]
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Abstract

This study is concerned with the investigation of the structural evolution occurring during isothermal annealing of an Mn-89.7 wt%Sb alloy in a high magnetic field in the semisolid state. The alloy specimens were isothermally annealed without and with an 11.5-T magnetic field for various annealing times. With the application of the magnetic field, the average characteristic radius of the primary MnSb particles increased with increasing annealing time. The primary MnSb particles were oriented with their c-plane parallel to the imposed field direction. Furthermore, the primary MnSb particles were found to align along the field direction and form chainlike structures eventually. These phenomena were attributed to the attraction and coalescence of the particles induced by the dipole–dipole interactions among them.

Keywords

AlloyAnnealingMicrostructure
Type
Articles
Information
Journal of Materials Research , Volume 24 , Issue 7 , July 2009 , pp. 2321 - 2330
Copyright
Copyright © Materials Research Society 2009

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