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Investigation on Texture, Magnetic Properties and Inhomogeneities of Hot Deformed Nd–Fe–B Magnet
Journal of Magnetics, Volume 23, Number 3, 30 Sep 2018, Pages 399-404
Abstract
The anisotropic hot deformed nanocyrstalline Nd–Fe–B magnet was prepared by spark plasma sintering technique using MQU-F powders. The location dependence along radial direction on the magnetic properties,
microstructure and crystal alignment of the hot deformed magnet have been investigated. The inhomogeneity of the magnetic performance along radial direction was revealed with a vibrating sample magnetometer
(VSM). The crystal structure and microstructure were characterized by X-ray diffractometry (XRD) and scanning electron microscopy (SEM), respectively. In addition, quantitative texture analysis was carried out
based on the electron backscattered diffraction technique (EBSD). The experimental results reveal that the coordination of grain size and orientation of Nd–Fe–B grains leads to the inhomogeneities of magnetic
performance.
microstructure and crystal alignment of the hot deformed magnet have been investigated. The inhomogeneity of the magnetic performance along radial direction was revealed with a vibrating sample magnetometer
(VSM). The crystal structure and microstructure were characterized by X-ray diffractometry (XRD) and scanning electron microscopy (SEM), respectively. In addition, quantitative texture analysis was carried out
based on the electron backscattered diffraction technique (EBSD). The experimental results reveal that the coordination of grain size and orientation of Nd–Fe–B grains leads to the inhomogeneities of magnetic
performance.
Keywords: Hot deformation; electron backscattered diffraction; crystallographic alignment; inhomogeneity
DOI: https://doi.org/10.4283/JMAG.2018.23.3.399
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