Title:
L10-FeNi MAGNETIC POWDER AND BOND MAGNET
Document Type and Number:
WIPO Patent Application WO/2018/212097
Kind Code:
A1
Abstract:
The average grain size of this L10-FeNi magnetic powder (11) is 50 nm to 1 μm, and the average value of sphericity P defined by formula (1) is 0.9 or higher. (1): P = Ls/Lr In formula (1), Lr is the circumference of the L10-FeNi magnetic powder in a microscope image. In formula (1), Ls is the circumference of a true circle having the same area as that in the image of the L10-FeNi magnetic powder in which Lr was calculated.
Inventors:
KURA HIROAKI (JP)
WATANABE EIJI (JP)
KIN MASANE (JP)
OSANAI KENTA (JP)
WATANABE EIJI (JP)
KIN MASANE (JP)
OSANAI KENTA (JP)
Application Number:
PCT/JP2018/018357
Publication Date:
November 22, 2018
Filing Date:
May 11, 2018
Export Citation:
Assignee:
DENSO CORP (JP)
International Classes:
H01F1/047; B22F1/052; B22F1/054; B22F1/065; B22F3/00; H01F1/06; H01F1/08; H01F7/02; C22C19/03; C22C38/00
Foreign References:
| JP2017075388A | 2017-04-20 | |||
| JP2005116991A | 2005-04-28 | |||
| JP2007035667A | 2007-02-08 |
Attorney, Agent or Firm:
NAGOYA INTERNATIONAL PATENT FIRM (JP)
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