R-Fe-B POROUS MAGNET AND METHOD FOR PRODUCING THE SAME

An R-Fe-B based porous magnet according to the present invention has an aggregate structure of Nd 2 Fe 14 B type crystalline phases with an average grain size of 0.1 µm to 1 µm. At least a portion of the magnet is porous and has micropores with a major axis of 1 µm to 20 µm.

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Bibliographische Detailangaben
Hauptverfasser:	NOZAWA, NORIYUKI, HIROSAWA, SATOSHI, BEKKI, KATSUNORI, NISHIUCHI, TAKESHI, MAKI, TOMOHITO
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY INDUCTANCES MAGNETS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES TRANSFORMERS
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Beschreibung
Zusammenfassung:	An R-Fe-B based porous magnet according to the present invention has an aggregate structure of Nd 2 Fe 14 B type crystalline phases with an average grain size of 0.1 µm to 1 µm. At least a portion of the magnet is porous and has micropores with a major axis of 1 µm to 20 µm.