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...

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Bibliographic Details
Main Authors SUGANO YUDAI, KUDO HIKARI, HOSONO URETAKE
Format Patent
LanguageEnglish
Japanese
Published 13.10.2022
Subjects
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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Summary: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 non-columnar crystal structure is 1.0% or more and 30.0% or less.SELECTED DRAWING: Figure 11 【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。断面における非柱状晶組織の面積比率が１．０％以上３０．０％以下である。【選択図】図１１
Bibliography:Application Number: JP20210058801