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Ferrite sintered magnet, ferrite particles, bonded magnet, motor, and generator

NAGAOKA JUNNICHI / TAGUCHI HITOSHI / SUGAWARA YUICHI / SATO JO

Provided is a ferrite sintered magnet including a ferrite phase having a magnetoplumbite-type crystal structure. x, y, and m satisfy the following Equations (1), (2), and (3) when composition of the ferrite sintered magnet is represented by R1-xAxFem-yCoy, where R denotes at least one kind of element selected from rare earth elements including Y and A denotes Ca or Ca and elements including at least one kind selected from Sr or Ba. The content of B in the ferrite sintered magnet is from 0.1% to 0.6% by mass in terms of B2O3.0.2≤x≤0.8 (1)0.1≤y≤0.65 (2)3≤m<14 (3)

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Ferrite sintered magnet, ferrite particles, bonded magnet, motor, and generator

NAGAOKA JUNNICHI / TAGUCHI HITOSHI / SUGAWARA YUICHI / SATO JO

Provided is a ferrite sintered magnet including a ferrite phase having a magnetoplumbite-type crystal structure. x, y, and m satisfy the following Equations (1), (2), and (3) when composition of the ferrite sintered magnet is represented by R1-xAxFem-yCoy, where R denotes at least one kind of element selected from rare earth elements including Y and A denotes Ca or Ca and elements including at least one kind selected from Sr or Ba. The content of B in the ferrite sintered magnet is from 0.1% to 0.6% by mass in terms of B2O3.0.2≤x≤0.8 (1)0.1≤y≤0.65 (2)3≤m<14 (3)

Ferrite sintered magnet, ferrite particles, bonded magnet, motor, and generator

NAGAOKA JUNNICHI / TAGUCHI HITOSHI / SUGAWARA YUICHI / SATO JO

Provided is a ferrite sintered magnet including a ferrite phase having a magnetoplumbite-type crystal structure. x, y, and m satisfy the following Equations (1), (2), and (3) when composition of the ferrite sintered magnet is represented by R1-xAxFem-yCoy, where R denotes at least one kind of element selected from rare earth elements including Y and A denotes Ca or Ca and elements including at least one kind selected from Sr or Ba. The content of B in the ferrite sintered magnet is from 0.1% to 0.6% by mass in terms of B2O3.0.2≤x≤0.8 (1)0.1≤y≤0.65 (2)3≤m<14 (3)

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Title:

Ferrite sintered magnet, ferrite particles, bonded magnet, motor, and generator

Contributors:

NAGAOKA JUNNICHI (author) / TAGUCHI HITOSHI (author) / SUGAWARA YUICHI (author) / SATO JO (author)

Publication date:

2023-11-07

Type of media:

Patent

Type of material:

Electronic Resource

Language:

English

Classification:

IPC: H01F MAGNETS , Magnete / C04B Kalk , LIME / H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES

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