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Coercivity enhancement of anisotropic die-upset Nd-Fe-B powders by Pr-Cu alloy diffusion
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10.1063/1.4805048
/content/aip/journal/jap/113/19/10.1063/1.4805048
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/19/10.1063/1.4805048
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Hysteresis loops of initial, simply heat treated, and diffusion treated anisotropic MQA powders.

Image of FIG. 2.
FIG. 2.

Initial magnetization curves of anisotropic MQA magnetic powders before and after the diffusion treatment.

Image of FIG. 3.
FIG. 3.

XRD patterns of the initial and diffusion treated MQA powders.

Image of FIG. 4.
FIG. 4.

(a) A TEM image of initial MQA material. (b) Magnified image of (a). (c) TEM image of simply heat treated MQA material at 600 °C. (d) TEM image of diffusion treated MQA material with the addition of 30 wt. % PrCu alloy. (e) Scanning TEM image where the line scan is marked perpendicular to the grain boundary; (f) The corresponding line scan results showing elements distribution. Grain boundary regions are indicated by dashed lines.

Image of FIG. 5.
FIG. 5.

Temperature dependence of coercivity for MQA powders before and after diffusion treatment.

Image of FIG. 6.
FIG. 6.

XRD patterns of aligned anisotropic MQA samples with the mean size of about 100 m before and after the diffusion treatment.

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/content/aip/journal/jap/113/19/10.1063/1.4805048
2013-05-16
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Coercivity enhancement of anisotropic die-upset Nd-Fe-B powders by Pr-Cu alloy diffusion
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/19/10.1063/1.4805048
10.1063/1.4805048
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