RARE EARTH SINTERED MAGNET AND MAKING METHOD

PURPOSE: A rare-earth sintering magnet and a manufacturing method thereof are provided to generate high coercive force by using anisotropic sintering materials including silicon. CONSTITUTION: A rare-earth sintering magnet of an anisotropic sintering material type includes an Nd2Fe14B crystal shape...

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Main Authors SAKAKI KAZUAKI, HIROTA KOICHI, NAKAMURA HAJIME, GOUKI YUUJI, NAGATA HIROAKI, NOMURA TADAO
Format Patent
LanguageEnglish
Korean
Published 21.10.2013
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:PURPOSE: A rare-earth sintering magnet and a manufacturing method thereof are provided to generate high coercive force by using anisotropic sintering materials including silicon. CONSTITUTION: A rare-earth sintering magnet of an anisotropic sintering material type includes an Nd2Fe14B crystal shape and R1aTbMcSidBe composition. An R1 is selected from rare-earth elements including Sc and Y. T comprises Fe or Co. M comprises Cu, Zn, In, P, S, Ti, V, Cr, Mn, Ni, Ga, Ge, Zr, Nb, Mo, Pd, Ag, Cd, Sn, Sb, Hf, Ta, or W. An element percentage is 12<=a<=17, 0<=c<=10, 0.3<=d<=7, and 5<=e<=10. [Reference numerals] (AA) Present invention; (BB) SI content (atom %)
Bibliography:Application Number: KR20130038563