Rare earth alloy binderless magnet and method for manufacture thereof

A method for producing a rare-earth alloy based binderless magnet according to the present invention includes the steps of: (A) providing a rapidly solidified rare-earth alloy magnetic powder; and (B) compressing and compacting the rapidly solidified rare-earth alloy magnetic powder by a cold proces...

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Bibliographische Detailangaben
Hauptverfasser: BEKKI KATSUNORI, UEMOTO IKUO, ISHIKAWA KAZUO, KANEKIYO HIROKAZU, MIYOSHI TOSHIO
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A method for producing a rare-earth alloy based binderless magnet according to the present invention includes the steps of: (A) providing a rapidly solidified rare-earth alloy magnetic powder; and (B) compressing and compacting the rapidly solidified rare-earth alloy magnetic powder by a cold process without using a resin binder, thereby obtaining a compressed compact, 70 vol % to 95 vol % of which is the rapidly solidified rare-earth alloy magnetic powder.