Abstract
Barkhausen noise powers of Mn-Zn ferrites and 1% Si steels were measured. The experimental data are discussed in terms of the relevant quantities: saturation flux density B/sub s/, conductivity /sub sigma /, cross-sectional area of samples S/sub 0/ and grain diameter d. At low field velocities mod H mod , magnetization processes are dominated by independent displacements of 180 degrees walls. The peak noise power P/sub m/ in the vicinity of the coercive field is proportional to the field velocity mod H mod . These two simple results reflect nonoverlapping Barkhausen pulses.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
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