Model for the correlation between magnetocrystalline energy and Barkhausen noise in ferromagnetic materials

被引：21
|
作者：
Le Manh, Tu [1 ]
Caleyo, F. [1 ]
Hallen, J. M. [1 ]
Espina-Hernandez, J. H. [2 ]
Perez-Benitez, J. A. [2 ]
机构：
[1] Inst Politecn Nacl, Dept Ingn Met, ESIQIE, Ciudad De Mexico 07738, Mexico
[2] Inst Politecn Nacl, LENDE, ESIME SEPI, Edif Z-4, Ciudad De Mexico 07738, Mexico
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2018年 / 454卷
关键词：
Barkhausen noise; Magnetocrystalline energy; Stochastic model; Nucleation of reversed domains; MAGNETIC EASY-AXIS; GRAIN-SIZE; DEPENDENCE; HYSTERESIS; DYNAMICS;
D O I：
10.1016/j.jmmm.2018.01.066
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In the present work a model for the correlation between magnetocrystalline anisotropy energy and Barkhausen noise is proposed. The link between the magnetocrystalline anisotropy energy and the magnetic Barkhausen noise is due to the influence of the crystallographic texture on the domain nucleation process which produces the Barkhausen signal in the branch from saturation to remanence. The statistical distributions of magnetic free poles and local fields of nucleation and subsequent growth of reversed domains were obtained for a large number of grain boundaries and used to estimate the number and size of Barkhausen events at each angular position from 0 to 360 degrees in ten degree-steps. The good agreement observed between the modeled magnetocrystalline energy and the prediction of this energy made from X-ray texture and Barkhausen noise measurements corroborates the validity of the proposed model. (C) 2018 Elsevier B.V. All rights reserved.
引用
收藏
页码：155 / 164
页数：10
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