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No.1(pp.1-41)

Home > Issues > Volume 6 (2001) > No.1(pp.1-41)

Manufacture of Permalloy Soft Magnets by Powder Injection Molding

Journal of Magnetics, Volume 6, Number 1, 31 Mar 2001, Pages 13-18

W. Y. Jeung(Korea Institute of Science and Technology), J. W. Park(Korea Institute of Science and Technology)

Abstract

Permalloy soft magnets have been produced by the powder injection molding process. Rheological characteristics of mixtures, debinding conditions, and the magnetic properties of permalloy after sintering have been investigated. A permalloy soft magnet with a permeability of 14200 could be obtained by preparing a mixture with a powder loading of 65.4 vol % and a PP/PEG binder systems solvent extraction, thermal debinding, and subsequent sintering at 1350 ℃ in hydrogen. The permalloy soft magnet sintered in hydrogen had 95% of theoretical density and a magnetic induction of 13.2 kG in an applied magnetic field of 50 Oe.

Keywords:

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