SINTERED MAGNET MANUFACTURING METHOD

The present disclosure relates to a method for producing a sintered magnet and a sintered magnet produced thereby, and the method for producing a sintered magnet includes the steps of: producing an R-Fe-B-based magnet powder by a reduction-diffusion method, adding a R-Al-Cu powder as a sintering age...

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Bibliographic Details
Main Authors KIM, Tae Hoon, CHOE, Jinhyeok, UH, Hyounsoo, KIM, Ingyu, KWON, Soon Jae, SUNG, Nakheon
Format Patent
LanguageEnglish
French
German
Published 10.01.2024
Subjects
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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Summary:The present disclosure relates to a method for producing a sintered magnet and a sintered magnet produced thereby, and the method for producing a sintered magnet includes the steps of: producing an R-Fe-B-based magnet powder by a reduction-diffusion method, adding a R-Al-Cu powder as a sintering agent to the R-Fe-B-based magnet powder to form a mixed powder, and sintering the mixed powder to form a sintered magnet, wherein the R-Al-Cu powder is an alloy of R, Al and Cu, and the R is Nd, Pr, Dy, Tb or Ce.
Bibliography:Application Number: EP20200867972