Soft magnetic material, powder magnetic core, method for manufacturing soft magnetic material, and method for manufacturing powder magnetic core

A soft magnetic material includes a plurality of composite magnetic particles (30) having metallic magnetic particles (10) that are composed of pure iron, and an insulation film (20) that surrounds the surface of the metallic magnetic particles (10), wherein the manganese content of the metallic mag...

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Bibliographic Details
Main Authors MOCHIDA YASUSHI, MAEDA TORU, MIMURA KOJI, TOYODA HARUHISA
Format Patent
LanguageEnglish
Published 07.07.2009
Subjects
APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
CASTING
MAKING METALLIC POWDER
MANUFACTURE OF ARTICLES FROM METALLIC POWDER
PERFORMING OPERATIONS
POWDER METALLURGY
PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL
SPRAYING OR ATOMISING IN GENERAL
TRANSPORTING
WORKING METALLIC POWDER
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Summary:A soft magnetic material includes a plurality of composite magnetic particles (30) having metallic magnetic particles (10) that are composed of pure iron, and an insulation film (20) that surrounds the surface of the metallic magnetic particles (10), wherein the manganese content of the metallic magnetic particles (10) is 0.013 mass % or less, and is more preferably 0.008 mass % or less. Hysteresis loss can thereby be effectively reduced.
Bibliography:Application Number: US20060662886