Title:
R-FE-B-C BONDED MAGNET WITH EXCELLENT OXIDATION-RESISTANT PROPERTY
Document Type and Number:
Japanese Patent JPH04268703
Kind Code:
A
Abstract:
PURPOSE: To improve oxidation-resistant property of an R(rareearth element)-Fe- B magnet.
CONSTITUTION: The title bonded magnet is composed of the magnetic alloy powder covered by an oxidation-resistant protective film, containing R-Fe-B-C alloy powder (provided that R indicated at least one of rare earth elements including Y) which contains magnetic crystal grains of 16wt.% or less (0wt.% is not included), and resin component of 50% or less in volumetric ratio.
Inventors:
UEDA TOSHIO
KUNO SEIICHI
KUNO SEIICHI
Application Number:
JP5069191A
Publication Date:
September 24, 1992
Filing Date:
February 24, 1991
Export Citation:
Assignee:
DOWA MINING CO
International Classes:
C22C38/00; H01F1/053; B22F1/02; (IPC1-7): H01F1/053; B22F1/02; C22C38/00
Attorney, Agent or Firm:
Kenji Wada
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