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Impact of Phosphorus for Boron Substitution on Magnetic Properties of Magnetostrictive Finemets

Butvinová, Beata ; Butvin, Pavol ; Illeková, Emília ; Švec, Peter ; Vlasák, Gabriel ; Janičkovič, Dušan ; Kadlečíková, Magdaléna

Acta electrotechnica et informatica, 2013-01, Vol.13 (1), p.78-81 [Periódico revisado por pares]

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Título:
Impact of Phosphorus for Boron Substitution on Magnetic Properties of Magnetostrictive Finemets
Autor: Butvinová, Beata ; Butvin, Pavol ; Illeková, Emília ; Švec, Peter ; Vlasák, Gabriel ; Janičkovič, Dušan ; Kadlečíková, Magdaléna
Assuntos: magnetic properties ; nanocrystalline alloys ; soft-magnetic materials ; surfaces
É parte de: Acta electrotechnica et informatica, 2013-01, Vol.13 (1), p.78-81
Descrição: Reduction of Si percentage in Fe-Nb-Cu-B-Si alloys known as Finemets results in 1.5 T saturation, surpassing so the standard Sirich compositions. However the other soft-magnetic properties are worse due mainly to magnetostriction and the consequences of socalled macroscopic heterogeneity. Therefore phosphorus has been added to the detriment of boron to test, whether this could be the way to suppress the undesired properties of Si-poor Finemets. Phosphorus appears to reduce the vulnerability of the ribbon surfaces to environmental influences at non-vacuum annealing and improves parameters like coercivity and magnetic anisotropy. Crystallization kinetics character remains preserved and critical temperatures change only negligibly.
Editor: Kosice: Versita
Idioma: Inglês;Tcheco;Eslovaco

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