SOFT-MAGNETIC METAL POWDER, MAGNETIC POWDER CORE, MAGNETIC COMPONENT AND ELECTRONIC APPLIANCE

To provide a magnetic powder core favorable in voltage endurance and magnetic permeability, a magnetic component comprising the same and a soft-magnetic metal powder suited for the magnetic powder core.SOLUTION: A soft-magnetic metal powder contains soft-magnetic metal particles, in which the soft-m...

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Hauptverfasser:	MATSUMOTO HIROYUKI, KOEDA SHINJI, YOSHITOME KAZUHIRO, MORI SATOKO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BASIC ELECTRIC ELEMENTS CASTING ELECTRICITY INDUCTANCES MAGNETS MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER PERFORMING OPERATIONS POWDER METALLURGY SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES TRANSFORMERS TRANSPORTING WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:	To provide a magnetic powder core favorable in voltage endurance and magnetic permeability, a magnetic component comprising the same and a soft-magnetic metal powder suited for the magnetic powder core.SOLUTION: A soft-magnetic metal powder contains soft-magnetic metal particles, in which the soft-magnetic metal particles each comprise a metal particle and an oxidized portion covering the metal particle. The metal particle and the oxidized portion have an interface having irregularity, in which the interface between the metal particle and the oxidized portion has a roughness having a maximum height Rz of 1.0 nm or greater and 50.0 nm or smaller.SELECTED DRAWING: Figure 2 【課題】耐電圧性および透磁率が良好な圧粉磁心、これを備える磁性部品および当該圧粉磁心に好適な軟磁性金属粉末を提供する。【解決手段】軟磁性金属粒子を含む軟磁性金属粉末である。軟磁性金属粒子が、金属粒子と、金属粒子を被覆する酸化部と、を有する。金属粒子と酸化部との界面が凹凸を有する。金属粒子と酸化部との界面の粗さの最大高さＲｚが１．０ｎｍ以上５０．０ｎｍ以下である。【選択図】図２