Magnetic properties of anisotropic Nd-Fe-B resin bonded magnets

Marcin J. Dospial 2Danuta D. Płusa 2Urszula U. Kotlarczyk 2Barbara Ślusarek 3Tadeusz T. Mydlarz 1

1. International Laboratory of High Magnetic Fields and Low Temperatures (ML), Gajowicka 95, Wrocław 53-421, Poland
2. Institute of Physics, Częstochowa University of Technology, Al. Armii Krajowej 19, Częstochowa 42-200, Poland
3. Tele- & Radio-Technical Institute of Warsaw, Warszawa, Poland

Abstract

The magnetic properties of an anisotropic, epoxy resin bonded magnet made from Magnequench powder of MQA-T type was investigated. The reversible magnetization processes and the magnetic parameters were examined by measurement of virgin magnetization curve, the major and minor hysteresis loops using a VSM mounted in a 14T electromagnet and the LakeShore VSM mounted in a 2T electromagnet. The coercivity and remanence versus the maximum magnetizing applied field were determined. As it results from the virgin magnetization curve shape and the field dependence of coercivity the magnetization reversal mechanism appeared to be the pinning one.

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Presentation: poster at E-MRS Fall Meeting 2005, Symposium B, by Marcin J. Dospial
See On-line Journal of E-MRS Fall Meeting 2005

Submitted: 2005-05-20 16:04
Revised:   2009-06-07 00:44
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