R-T-B SYSTEM PERMANENT MAGNET AND PLATED FILM

PROBLEM TO BE SOLVED: To provide an R-T-B system permanent magnet equipped with a plated film which is easily used for actual manufacturing of the R-T-B system permanent magnet and is effective for securing hardness. SOLUTION: The R-T-B system permanent magnet 1 comprises a magnet element assembly 2...

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Bibliographische Detailangaben
Hauptverfasser:	YAMAZAWA KAZUTO, NAKAYAMA YASUYUKI
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS APPARATUS THEREFOR BASIC ELECTRIC ELEMENTS CASTING CHEMISTRY ELECTRICITY ELECTROFORMING ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FERROUS OR NON-FERROUS ALLOYS INDUCTANCES MAGNETS MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER METALLURGY PERFORMING OPERATIONS POWDER METALLURGY PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS 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:	PROBLEM TO BE SOLVED: To provide an R-T-B system permanent magnet equipped with a plated film which is easily used for actual manufacturing of the R-T-B system permanent magnet and is effective for securing hardness. SOLUTION: The R-T-B system permanent magnet 1 comprises a magnet element assembly 2 which consists of a sintered material containing at least main phase crystal grains consisting of an R2T14B compound, where R is one or two or more rare earth elements containing Y and T is one or two or more transition metal elements containing Fe or Fe and Co as essentials, and a grain boundary phase containing more R than the main phase crystal grains; and the plating film 3 for coating the surface of the magnet element assembly 2 which meets 0.005