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Correlation between Barkhausen Noise and Coercivity in Amorphous and Nanocrystalline Fe-Cu-Nb-Si-B Alloys

100%
Małkiński L., Kulik T.
Acta Physica Polonica A
|
1997
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vol. 91
|
issue 2
435-438
EN
Samples of amorphous and nanocrystalline alloys were prepared by proper annealing of the metallic glasses: Fe_{73.5}Cu_{1}Nb_{3}Si_{13.5}B_{9} and Fe_{73.5}Cu_{1}Nb_{3}Si _{17.5}B_{5}. Magnetic hardening of the alloys at the onset of crystallization was studied by the two independent techniques, i.e. measurements of the magnetization hysteresis loops and Barkhausen effect. A good correlation between the coercivity and the maximum power of the Barkhausen noise has been found in these two compositions of the alloys.
2
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Effect of Nanocrystallization Process on the Magnetomechanical Coupling in Fe-Si-B-Cu-Nb Alloy

81%
Kaczkowski Z., Małkiński L., Kuźmiński M., Müller M.
Acta Physica Polonica A
|
1994
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vol. 85
|
issue 1
201-204
EN
Magnetic and magnetoelastic properties of the Fe_{73.5}Si_{16.5}B_{6}Cu_{1}Nb_{3} alloy change considerably during nanocrystallization process. Improvement of magnetic properties is accompanied by the decrease in piezomagnetic parameters such as magnetomechanical coupling and ΔE-effect.
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