Alloy Powder for Magnetic Member

Provided is an alloy powder capable of obtaining a magnetic member therefrom in which the frequency FR is extremely high. The powder for the magnetic member is composed of a plurality of flaky particles. These flaky particles are composed of an Fe-based alloy including: 6.5% by mass or more and 32.0...

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Bibliographische Detailangaben
Hauptverfasser:	Sawada, Toshiyuki, Miura, Kodai, Hosomi, Ryohei
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS BASIC ELECTRIC ELEMENTS CASTING CHEMISTRY ELECTRICITY FERROUS OR NON-FERROUS ALLOYS INDUCTANCES MAGNETS MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER METALLURGY PERFORMING OPERATIONS POWDER METALLURGY SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES TRANSFORMERS TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:	Provided is an alloy powder capable of obtaining a magnetic member therefrom in which the frequency FR is extremely high. The powder for the magnetic member is composed of a plurality of flaky particles. These flaky particles are composed of an Fe-based alloy including: 6.5% by mass or more and 32.0% by mass or less of Ni; 6.0% by mass or more and 14.0% by mass or less of Al; 0% by mass or more and 17.0% by mass or less of Co; and 0% by mass or more and 7.0% by mass or less of Cu; the balance being Fe and unavoidable impurities. The average thickness Tav of this powder is 3.0 μm or less. The saturation magnetization Ms of this powder is 0.9 T or more. The coercive force iHc of this powder is 16 kA/m or more. This Fe-based alloy has a structure resulting from spinodal decomposition.