Theoretical Model of Temperature Dependence of Hysteresis Based on Mean Field Theory

被引：66
|
作者：
Raghunathan, A. [1 ]
Melikhov, Y. [1 ]
Snyder, J. E. [1 ]
Jiles, D. C. [1 ]
机构：
[1] Cardiff Univ, Sch Engn, Wolfson Ctr Magnet, Cardiff CF24 3AA, S Glam, Wales
来源：
IEEE TRANSACTIONS ON MAGNETICS | 2010年 / 46卷 / 06期
基金：
英国工程与自然科学研究理事会; 美国国家科学基金会;
关键词：
Jiles-Atherton (JA) model; magnetic hysteresis; magnetization processes; modeling; temperature; MAGNETIZATION; PARAMETERS;
D O I：
10.1109/TMAG.2010.2045351
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：
The magnetization processes in ferromagnetic materials are dependent on temperature. In order to understand thoroughly the behavior of magnetization processes in ferromagnetic materials at different temperatures, a temperature dependent hysteresis model is necessary. In the present study, a physical model based on Jiles-Atherton (JA) theory was developed to study the effects of temperature on magnetic hysteresis. This was achieved through the introduction of temperature dependent hysteresis parameters of the existing model. The material dependent parameters such as Curie temperature and critical exponent have also been added as additional variables to the existing model. The temperature dependent extension of the JA model was validated against measurements made on cation substituted cobalt ferrite material and the results show good agreement between theory and experiment.
引用
收藏
页码：1507 / 1510
页数：4
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