FE-BASED NANOCRYSTALLINE ALLOY POWDER, MAGNETIC COMPONENT, AND DUST CORE

Provided is a Fe-based nanocrystalline alloy powder that can produce a dust core having excellent magnetic properties (low core loss and high saturation magnetic flux density). The Fe-based nanocrystalline alloy powder has a chemical composition, excluding inevitable impurities, represented by a com...

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Bibliographische Detailangaben
Hauptverfasser:	Yamamoto, Naoki, Nakaseko, Makoto, Takashita, Takuya, Kobayashi, Akio, Chiba, Miho, Urata, Akiri
Format:	Patent
Sprache:	eng ; fre ; ger
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 a Fe-based nanocrystalline alloy powder that can produce a dust core having excellent magnetic properties (low core loss and high saturation magnetic flux density). The Fe-based nanocrystalline alloy powder has a chemical composition, excluding inevitable impurities, represented by a composition formula of FeaSibBcPdCueMf, where the M in the composition formula is at least one element selected from the group consisting of Nb, Mo, Zr, Ta, W, Hf, Ti, V, Cr, Mn, C, Al, S, O, and N, 79 at% ≤ a ≤ 84.5 at%, 0 at% ≤ b < 6 at%, 0 at% < c ≤ 10 at%, 4 at% < d ≤ 11 at%, 0.2 at% ≤ e ≤ 0.53 at%, 0 at% ≤ f ≤ 4 at%, a + b + c + d + e + f = 100 at%, a degree of crystallinity of more than 10 % by volume, and an Fe crystallite diameter of 50 nm or less.