Numéro
J. Phys. Colloques
Volume 49, Numéro C8, Décembre 1988
Proceedings of the International Conference on Magnetism
Page(s) C8-631 - C8-632
DOI https://doi.org/10.1051/jphyscol:19888285
Proceedings of the International Conference on Magnetism

J. Phys. Colloques 49 (1988) C8-631-C8-632

DOI: 10.1051/jphyscol:19888285

MICROSTRUCTURE OF CAST Pr-Fe-B MAGNETS

T. Shimoda, K. Akioka, O. Kobayashi et T. Yamagami

Research and Development Division, SEIKO EPSON Corp., 3-3-5 Owa Suwa-shi Nagano-ken 392 Japan


Abstract
CAST Pr-Fe-B-Cu magnets, which were hot-pressed so as to yield magnetic alignment, are found to be composed primarily of a Pr2Fe14B and also show traces of a Pr-rich phase. The magnetic Pr2Fe14B phase is concentrated by discharging the Pr-rich phase during hot-pressing. It is found Cu exists mainly in the Pr-rich phase and lowers the melting point of it. The lowered melting point greatly improves the ability of plastic deformation.