MOLDED RARE-EARTH MAGNET AND PROCESS FOR PRODUCING SAME

Title:

MOLDED RARE-EARTH MAGNET AND PROCESS FOR PRODUCING SAME

Document Type and Number:

WIPO Patent Application WO/2011/030635

Kind Code:

A1

Abstract:

Disclosed is a molded rare-earth magnet (1) which comprises rare-earth magnet particles (2) and an insulating phase (3) present among the rare-earth magnet particles (2). The rare-earth magnet particles (2) have, dispersed therein, segregation regions (4) in which at least one element selected from a group consisting of Dy, Tb, Pr, and Ho has segregated. As a result, the molded magnet can retain high magnetic properties (coercive force) and have excellent heat resistance required for use in motors, etc.

Inventors:

KAWASHITA YOSHIO
URAMOTO KIYOHIRO
MIYAMOTO TAKASHI
YASUDA YOSHITERU

Application Number:

PCT/JP2010/063162

Publication Date:

March 17, 2011

Filing Date:

August 04, 2010

Export Citation:

Click for automatic bibliography generation Help

Assignee:

NISSAN MOTOR (JP)
KAWASHITA YOSHIO
URAMOTO KIYOHIRO
MIYAMOTO TAKASHI
YASUDA YOSHITERU

International Classes:

H01F41/02; B22F1/08; B22F1/16; B22F3/00; B22F3/02; B22F3/14; H01F1/053; H01F1/08; C22C19/07; C22C38/00

Foreign References:

JP2006310660A	2006-11-09
JP2001230107A	2001-08-24
JP2005183781A	2005-07-07
JP2010206045A	2010-09-16
JP2009208621A	2009-09-17

Other References: