Nanostructured materials for soft magnetic applications produced by fast dc Joule heating

Author

Allia, Paolo ; Tiberto, Paola ; Baricco, Marcello ; Knobel, Marcelo ; Vinai, Franco

Author_Institution

Dipartimento di Fisica, Politecnico di Torino, Italy

Volume

30

Issue

6

fYear

1994

fDate

11/1/1994 12:00:00 AM

Firstpage

4797

Lastpage

4799

Abstract

Amorphous Fe_73.5Nb₃Cu₁Si_13.5B₉ ribbons were submitted to fast direct current (dc) Joule-heating treatment in vacuum. The electrical resistance in the course of fast Joule heating displays distinctive features during the development of the nanocrystalline phase, which are explained using a recently developed theoretical model. The experimental parameters of the current annealing were optimized in order to obtain ductile soft magnetic materials using very high heating rates

Keywords

amorphous magnetic materials; annealing; boron alloys; copper alloys; crystallisation; electrical resistivity; ferromagnetic materials; iron alloys; metallic glasses; nanostructured materials; niobium alloys; silicon alloys; soft magnetic materials; Fe_73.5Nb₃Cu₁Si_13.5B ₉; amorphous Fe_73.5Nb₃Cu₁Si_13.5B₉ ribbons; current annealing; ductile soft magnetic materials; electrical resistance; fast dc Joule heating; high heating rates; nanocrystalline phase; nanostructured materials; soft magnetic applications; Amorphous magnetic materials; Amorphous materials; Annealing; Displays; Electric resistance; Iron; Nanostructured materials; Niobium; Resistance heating; Soft magnetic materials;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/20.334225

Filename

334225