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An extended model of the Barkhausen effect based on the ABBM model
Journal of Applied Physics
  • D. M. Clatterbuck, Iowa State University
  • V. J. Garcia, Iowa State University
  • M. J. Johnson, Iowa State University
  • David C. Jiles, Iowa State University
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The Barkhausen model of Alessandro et al. [J. Appl. Phys. 68, 2901 (1990)] has been extended to nonstationary domain walldynamics. The assumptions of the original model limit, its use to situations where the differential permeability, and time derivative of applied field are constant. The later model of Jiles et al. assumes that the Barkhausen activity in a given time interval is proportional to the rate of change of irreversible magnetization which can be calculated from hysteresis models. The extended model presented here incorporates ideas from both of these. It assumes that the pinning field and domain wall velocity behave according to the Alessandro model, but allows the rate of change of the magnetic flux to vary around a moving average which is determined by the shape of the hysteresis curve and the applied magnetic field wave form. As a result, the new model allows for changes in permeability with applied field and can also reproduce the frequency response of experimental Barkhausen signals.

The following article appeared in Journal of Applied Physics 87 (2000): 4771 and may be found at

Copyright 2000 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.
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American Institute of Physics
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D. M. Clatterbuck, V. J. Garcia, M. J. Johnson and David C. Jiles. "An extended model of the Barkhausen effect based on the ABBM model" Journal of Applied Physics Vol. 87 Iss. 9 (2000) p. 4771 - 4773
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