Effect of magnetic fields on melt-spun Nd2Fe14B-based ribbons

被引：12

作者：

Vuong Van Nguyen ^{[1
]}

Rong, Chuanbing ^{[1
]}

Ding, Yong ^{[2
]}

Liu, J. Ping ^{[1
]}

机构：

[1] Univ Texas Arlington, Dept Phys, Arlington, TX 76019 USA

[2] Georgia Inst Technol, Sch Mat Sci & Engn, Atlanta, GA 30332 USA

来源：

JOURNAL OF APPLIED PHYSICS | 2012年 / 111卷 / 07期

关键词：

SOLIDIFICATION; ALLOY;

D O I：

10.1063/1.3679161

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The effect of a magnetic field on microstructure and magnetic properties of Nd2Fe14B-based melt-spun ribbons is investigated. The magnetic field was applied in perpendicular or parallel direction to the ribbon plane during quench with a field strength up to several kilo Oersteds. The XRD patterns and TEM graphs show a strong grain size reduction upon the magnetic field application. The magnetic field also enhances the (001) texture of ribbons when the field is perpendicular to the ribbon plane. The refined microstructure with significantly reduced grain size leads to enhanced magnetic exchange interactions between the hard and soft phases in the Nd2Fe14B/Fe nanocomposite ribbons. This magnetic field-assisted melt-spinning technique is promising for producing nanocomposite magnets with enhanced energy density. (C) 2012 American Institute of Physics. [doi: 10.1063/1.3679161]

引用

页数：3

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