Barkhausen Noise Analysis by Surrounding Coil

Date
1995
Authors
Catty, J.
Fleischmann, P.
Chicois, J.
Le Brun, A.
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Altmetrics
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Abstract

The Barkhausen effect (or Barkhausen noise)[1], discovered in 1919, was initially identified as the revealing of irreversible and discontinuous changes of magnetisation induced by an external magnetic field[2]. The interest of Barkhausen noise as a non destructive testing technique of magnetic materials is due to the interaction between the magnetic microstructure (magnetic domains, Bloch wall motion dynamic), microstructural state and stress state of the material [3,4,5,6].

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