Title:
希土類焼結磁石の製造方法、焼結体
Document Type and Number:
Japanese Patent JP4282015
Kind Code:
B2
Abstract:
To manufacture a rare earth sintered magnet by using granules having superior mobility and whose dimension precision and production of a compact can be improved.
The manufacturing method of the rare earth sintered magnet has a process for injecting the granules constituted of primary alloy particles in prescribed composition and of organic liquid into a mold cavity, a process for applying a magnetic field in the granules and obtaining the compact by pressing and a process for sintering the compact. Organic liquid is added to primary alloy particles and the granules are formed. It is desirable that organic liquid is removed until the granules become a drying state.
COPYRIGHT: (C)2006,JPO&NCIPI
Inventors:
Baba Takashi
Yasushi Enokido
Riki Ishizaka
Ken Masuda
Yasushi Enokido
Riki Ishizaka
Ken Masuda
Application Number:
JP2004282687A
Publication Date:
June 17, 2009
Filing Date:
September 28, 2004
Export Citation:
Assignee:
tdk Corporation
International Classes:
H01F1/08; B22F1/00; B22F3/00; B22F3/02; H01F1/053; C22C19/07; C22C38/00
Domestic Patent References:
| JP2002194402A | ||||
| JP4057561B2 | ||||
| JP4057562B2 | ||||
| JP4057563B2 | ||||
| JP2006019382A |
Foreign References:
| WO2006003872A1 |
Attorney, Agent or Firm:
Mitsuru Oba