Modeling of Hysteresis in Fe-Cu-Nb-Si-B Cores With Transverse Ku

被引：2

作者：

Boust, Nicolas ^{[1
,2
]}

Geoffroy, Olivier ^{[1
]}

Chazal, Herve ^{[1
]}

Roudet, James ^{[1
]}

机构：

[1] Univ Grenoble Alpes, CNRS, Grenoble INP, G2Elab, F-38000 Grenoble, France

[2] Aperam Alloys Amilly, F-45200 Montargis, France

来源：

IEEE TRANSACTIONS ON MAGNETICS | 2017年 / 53卷 / 11期

关键词：

Finemet; hysteresis modeling; nanocrystallline alloys; random anisotropy model (RAM); transverse anisotropy; SOFT-MAGNETIC ALLOYS; NANOCRYSTALLINE; ANISOTROPY;

D O I：

10.1109/TMAG.2017.2706024

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper focuses on the modeling of the hysteresis of Fe-Cu-Nb-Si-B nanocrystalline alloys with transverse induced anisotropy K-u based on the behavior of a correlated volume (CV). Only coherent rotation mechanism was considered, given the chosen value of K-u. The formulations account for K-u, the incoherent anisotropy K-i, and the magnetostatic energy. The solving of the equations shows the existence of two kinds of CVs: the first one is responsible for the domain pattern, while the other causes the coercivity. The model has been compared with experimental data, and improved by considering the existence of a minority of CVs featuring strong incoherent anisotropy, causing the coercivity, mingled with classical CVs obeying the random anisotropy model.

引用

页数：4

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