Remnant Magnetization Prediction in the Demagnetization Process by Orthogonal Magnetic Field

被引：5

作者：

Kim, Ki-Chan ^{[1
]}

Yoon, Kwan-Seob ^{[1
,2
]}

Yang, Chang-Seob ^{[1
,3
]}

Shin, Kwang-Ho ^{[1
,4
]}

Jeong, Hae-Yong ^{[1
,5
]}

Kim, Young-Hak ^{[1
]}

机构：

[1] Pukyong Natl Univ, Dept Elect Engn, Pusan 608736, South Korea

[2] LIGnex1 Co Ltd, Maritime R&D Lab, Yongin 446912, South Korea

[3] Naval Syst R&D Inst, Underwater Sensor Technol Directorate, Chang Won 645600, Gyeongnam, South Korea

[4] Kyungsung Univ, Dept Elect & Informat Commun Engn, Pusan 608737, South Korea

[5] Pukyong Natl Univ, Devis Mat Sci & Engn, Pusan 608736, South Korea

来源：

IEEE TRANSACTIONS ON MAGNETICS | 2011年 / 47卷 / 10期

关键词：

Alternating magnetic field; anhysteretic demagnetization; dc bias field; remnant magnetization; ANHYSTERETIC MAGNETIZATION;

D O I：

10.1109/TMAG.2011.2157812

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：

Calculated demagnetization curves agree well with the initial remnant magnetization curve. A simple analytical expression was obtained from the curve by fitting the measured initial remnant magnetization data. Anhysteretic demagnetization was performed by applying an alternating step-ramped magnetic field sequence and the vertical dc bias field, simultaneously. The influence of the vertical bias magnetic field on anhysteretic demagnetization was prominent when the amplitude of the alternating magnetic pulse was large enough to saturate the magnetization of the object. The magnetic field due to the vertical remnant magnetization could be estimated by Langevin function with parameters of xi and H(MSrem).

引用

页码：4360 / 4363

页数：4

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