Iron-based soft magnetic composite powder for dust cores, and method for producing same

Provided are an iron-based soft magnetic composite powder for dust cores that has high fluidity while having an insulation layer, and a method for easily producing the iron-based soft magnetic composite powder for dust cores. This iron-based soft magnetic composite powder for dust cores includes coa...

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Bibliographic Details
Main Authors TAKASHITA, TAKUYA, MATSUZAKI, AKIRA, NAKAMURA, TAKECHIKA, MASUOKA, HIROYUKI
Format Patent
LanguageChinese
English
Published 16.05.2024
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:Provided are an iron-based soft magnetic composite powder for dust cores that has high fluidity while having an insulation layer, and a method for easily producing the iron-based soft magnetic composite powder for dust cores. This iron-based soft magnetic composite powder for dust cores includes coated particles in which an insulation layer is formed on the particle surfaces of iron-based soft magnetic particles. The insulation layer has a first coating layer that is formed from aluminum tripolyphosphate positioned on the particle surfaces, and a second coating layer that is layered on the first coating layer and is formed from a silicone resin. The coating ratio of the insulation layer on the particle surfaces is 85% or greater.
Bibliography:Application Number: TW202312131995