期刊
JOURNAL OF PHYSICS D-APPLIED PHYSICS
卷 48, 期 29, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0022-3727/48/29/295002
关键词
magnetic Barkhausen noise; magnetization dynamics; steels
资金
- Instituto Politecnico Nacional (PIFI) [SIP-20151311, SIP-20151424]
- CONACyT [215089]
This work presents a method to identify processes in magnetization dynamics using the angular dependence of the magnetic Barkhausen noise. The analysis reveals that three different processes of the magnetization dynamics could be identified using the angular dependence of the magnetic Barkhausen noise energy. The first process is the reversed domain nucleation which is related to the magneto-crystalline energy of the material, and the second and third ones are associated with 180 degrees and 90 degrees domain walls motions, respectively. Additionally, two transition regions were identified and they are located between the regions associated with the aforementioned processes. The causes involving these processes are analyzed and a method for establishing their location in the Barkhausen noise signal with respect to the applied magnetic field intensity is proposed.
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