J. Phys. IV France
Volume 08, Numéro PR2, June 1998
Soft Magnetic Materials 13
Page(s) Pr2-103 - Pr2-106
Soft Magnetic Materials 13

J. Phys. IV France 08 (1998) Pr2-103-Pr2-106

DOI: 10.1051/jp4:1998224

Nanocrystalline soft magnetic Fe-M-B (M = Zr, Hf, Nb) alloys "NANOPERM" with high magnetic induction

A. Makino1, T. Bitoh1, J.-I. Murakami1, T. Hatanai1, A. Inoue2 and T. Masumoto3

1  Central Research Laboratory, Alps Electric Co. Ltd., Nagaoka 940, Japan
2  Institute for Materials Research, Tohoku University, Sendai 980-77, Japan
3  The Research Institute of Electrical and Magnetic Materials, Sendai 982, Japan

The soft magnetic properties of the nanocrystalline Fe-M-B (M = Zr, Hf, Nb) based alloys "NANOPERMTM" have been studied with special emphasis on the low frequency properties. NANOPERMTM exhibits high saturation induction (Bs) above 1.5 T, excellent soit magnetic properties and sufficiently small magnetostriction, simultaneously. NANOPERMTM ribbons can be produced in an Ar stream with no vacuum chamber (Ar stream technique) even it contains the M elements with high oxidation activity. The Ar stream NANOPERMTM ribbons are espected to be applied to power electronic devices such as power transformers because of their high Bs, and low core losses.

© EDP Sciences 1998