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Dynamic normalization of the Barkhausen noise signal
- 1.0521433 - FZÚ 2020 RIV NL eng J - Journal Article
Stupakov, Alexandr
Dynamic normalization of the Barkhausen noise signal.
Journal of Magnetism and Magnetic Materials. Roč. 482, Jul (2019), s. 135-147. ISSN 0304-8853. E-ISSN 1873-4766
R&D Projects: GA ČR GA13-18993S
Institutional support: RVO:68378271
Keywords : magnetization dynamics * Barkhausen noise * iron steels
OECD category: Condensed matter physics (including formerly solid state physics, supercond.)
Impact factor: 2.717, year: 2019
Method of publishing: Limited access
https://doi.org/10.1016/j.jmmm.2019.03.036
The aim of this research is to propose a normalization principle for the Barkhausen noise response eliminating a dynamic contribution to the basic signal. To achieve this, it is suggested to reduce the rms profile (envelope) of the Barkhausen noise by the square root of the field rate of change. Validity of the suggested normalization principle has been proved for variousiron-based steels. At low magnetizing frequencies, the proposed normalization fully compensates the envelope differences giving a stable quasi-static peak near coercive field. The shape of these stabilized peaks demonstrates a strong resemblance to the differential permeability curves.
Permanent Link: http://hdl.handle.net/11104/0306057
Number of the records: 1