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First order reversal curve studies of permanent magnets
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10.1063/1.3678434
/content/aip/journal/jap/111/7/10.1063/1.3678434
http://aip.metastore.ingenta.com/content/aip/journal/jap/111/7/10.1063/1.3678434
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) (a) Comparison of finite element micromagnetics on a graded mesh (solid line) with the boundary integration method (dots) for computing hysteresis properties. The plot gives the coercive field of a Nd2Fe14B cubic sample as function of size. (b) Grain structure and finite element mesh of computer model of a sintered Nd2Fe14B magnet.

Image of FIG. 2.
FIG. 2.

(Color online) (a) First order reversal curves measured on a cubic Nd2Fe14B magnet. (b) corresponding FORC diagram. (c) First order reversal curves desheared with a demagnetizing factor of N = 0.33; (d) corresponding FORC diagram.

Image of FIG. 3.
FIG. 3.

(Color online) FORC diagram of a modeled sintered magnet with degree of alignment (a) f = 0.83 and (b) f = 0.99, with otherwise identical computation and processing parameters. The coercive force of the major hysteresis loop is (a) 1.7 T and (b) 2.1 T.

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/content/aip/journal/jap/111/7/10.1063/1.3678434
2012-03-09
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: First order reversal curve studies of permanent magnets
http://aip.metastore.ingenta.com/content/aip/journal/jap/111/7/10.1063/1.3678434
10.1063/1.3678434
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