Creep induced magnetic anisotropy in nanocrystalline Fe-Cu-Nb-Si-B alloys

Author

Herzer, Giselher

Author_Institution

Vacuumschmelze GmbH, Hanau, Germany

Volume

30

Issue

6

fYear

1994

fDate

11/1/1994 12:00:00 AM

Firstpage

4800

Lastpage

4802

Abstract

Amorphous Fe-Cu-Nb-Si-B ribbons have been nanocrystallized under tensile stress applied along the ribbon axis. This results in a strong magnetic, creep-induced anisotropy with an easy ribbon axis for low and, a hard ribbon axis for high Si-concentrations, respectively. The analysis of the compositional dependence shows that the anisotropy energy correlates linearly with the saturation magnetostriction of the precipitated BCC-FeSi grains. It is therefore proposed that the induced anisotropy mainly originates from the magneto-elastic anisotropy of the BCC grains due tensile back stresses exerted by the anelastically deformed amorphous matrix

Keywords

amorphous magnetic materials; boron alloys; copper alloys; creep; ferromagnetic materials; induced anisotropy (magnetic); iron alloys; magnetoelastic effects; magnetostriction; nanostructured materials; niobium alloys; silicon alloys; Fe-Cu-Nb-Si-B; amorphous ribbons; anelastically deformed; compositional dependence; creep induced magnetic anisotropy; magneto-elastic anisotropy; nanocrystalline; saturation magnetostriction; tensile stress; Amorphous magnetic materials; Amorphous materials; Anisotropic magnetoresistance; Creep; Magnetic analysis; Magnetic anisotropy; Magnetostriction; Perpendicular magnetic anisotropy; Saturation magnetization; Tensile stress;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/20.334226

Filename

334226