Title:
圧粉磁心用混合粉末および圧粉磁心
Document Type and Number:
Japanese Patent JP6882375
Kind Code:
B2
Abstract:
To provide: mixed powder for a powder-compact magnetic core, which enables the achievement of a high density of a compact even in the case of adopting internal lubrication molding and which enables the fabrication of a powder-compact magnetic core superior in magnetic characteristic; and a powder-compact magnetic core prepared by use of the mixed powder for a powder-compact magnetic core.SOLUTION: Mixed powder for a powder-compact magnetic core is arranged by mixing: soft magnetic powder covered with an insulative coating; a slip additive; and a solid lubricant. In the mixed powder, the content of the slip additive is 0.1 mass% or more and 0.8 mass% or less, and the content of the solid lubricant is 0.01 mass% or more and 0.2 mass% or less.SELECTED DRAWING: None
Inventors:
Hiroyuki Mitani
Keifumi Hojo
Yuji Taniguchi
Urami Satomi
Keifumi Hojo
Yuji Taniguchi
Urami Satomi
Application Number:
JP2019106500A
Publication Date:
June 02, 2021
Filing Date:
June 06, 2019
Export Citation:
Assignee:
KABUSHIKI KAISHA KOBE SEIKO SHO
International Classes:
H01F1/24; B22F1/00; B22F1/02; B22F3/00; B22F3/02; H01F27/255
Domestic Patent References:
| JP2006100813A | ||||
| JP2007324210A | ||||
| JP2013214665A | ||||
| JP7254522A | ||||
| JP8045724A | ||||
| JP9508667A | ||||
| JP2007535134A |
Foreign References:
| WO2009034894A1 | ||||
| WO2013146809A1 | ||||
| WO2015046282A1 |
Attorney, Agent or Firm:
Kaji/Suhara Patent Office