ND-BASED SINTERED MAGNET AND MANUFACTURING METHOD THEREOF

The invention provides a sintered Nd base magnet which is free of a decline of remanence, has a high coercive force, especially at the edges thereof, is unsusceptible to demagnetization even at high temperature, and is suited for use in permanent magnet rotary machines.

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Bibliographic Details
Main Authors NAKAMURA HAJIME, HIROTA KOICHI, MIYATA KOJI, MINOWA TAKEHISA, HONSHIMA MASAKATSU
Format Patent
LanguageEnglish
Korean
Published 29.08.2011
Subjects
BASIC ELECTRIC ELEMENTS
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
DYNAMO-ELECTRIC MACHINES
ELECTRICITY
GENERATION
INDUCTANCES
MAGNETS
SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
TRANSFORMERS
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Summary:The invention provides a sintered Nd base magnet which is free of a decline of remanence, has a high coercive force, especially at the edges thereof, is unsusceptible to demagnetization even at high temperature, and is suited for use in permanent magnet rotary machines.
Bibliography:Application Number: KR20107015042