ALLOY FOR R-T-B BASED PERMANENT MAGNET, AND METHOD FOR MANUFACTURING R-T-B BASED PERMANENT MAGNET

To provide an alloy for an R-T-B based permanent magnet, which enables the production of an R-T-B based permanent magnet enhanced in magnetic property.SOLUTION: An alloy for an R-T-B based permanent magnet comprises R, T and B, where R is a rare earth element, T is a transition metal element and B i...

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Bibliographische Detailangaben
Hauptverfasser:	SUGANO YUDAI, KUDO HIKARI, HOSONO URETAKE
Format:	Patent
Sprache:	eng ; jpn
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:	To provide an alloy for an R-T-B based permanent magnet, which enables the production of an R-T-B based permanent magnet enhanced in magnetic property.SOLUTION: An alloy for an R-T-B based permanent magnet comprises R, T and B, where R is a rare earth element, T is a transition metal element and B is boron. In a cross section thereof, the areal percentage of a fine linear R-rich phase-containing structure is 0.5% or more and 20% or less.SELECTED DRAWING: Figure 7 【課題】磁気特性を向上させたＲ－Ｔ－Ｂ系永久磁石を作製できるＲ－Ｔ－Ｂ系永久磁石用合金を提供する。【解決手段】Ｒ，ＴおよびＢを有し、Ｒが希土類元素、Ｔが遷移金属元素、Ｂがホウ素であるＲ－Ｔ－Ｂ系永久磁石用合金である。断面における微細線状Ｒリッチ相含有組織の面積比率が０．５％以上２０％以下である。【選択図】図７