Title (en)

Hard magnetic material.

Title (de)

Hartmagnetwerkstoff.

Title (fr)

Matériau magnétique dur.

Publication

EP 0334445 A1 19890927 (EN)

Application

EP 89200693 A 19890320

Priority

NL 8800739 A 19880324

Abstract (en)

A hard magnetic material having the composition RE2Fe14-xMnxC, wherein RE is at least one element selected from the group formed by Nd, Pr, Ce and La, and wherein 0.2 </= x </= 2.

IPC 1-7

H01F 1/04

IPC 8 full level

C22C 38/00 (2006.01); C22C 38/04 (2006.01); H01F 1/053 (2006.01); H01F 1/058 (2006.01)

CPC (source: EP KR)

H01F 1/00 (2013.01 - KR); H01F 1/058 (2013.01 - EP)

Citation (search report)

• [AD] JOURNAL OF APPLIED PHYSICS, vol. 61, no. 8, 15th April 1987, pages 3574-3576, American Institute of Physics; N.C. LIU et al.: "High intrinsic coercivities in iron-rare earth-carbon-boron alloys through the carbide or boro-carbide Fe14R2X(X=BxC1-x)"
• [A] MATERIALS LETTERS, vol. 4, nos. 8,9, August 1986, pages 377-380, Elsevier Science Publishers B.V., Amsterdam, NL; N.C. LIU et al.: "High coercivity permanent magnet materials based on iron-rare-earth-carbon alloys"
• [A] JOURNAL OF APPLIED PHYSICS, vol. 52, no. 3, part II, March 1981, pages 2049-2051, American Institute of Physics, New York, US; K. HARDMAN et al.: "Magnetic structures of Y6(Fe1-xMnx)23 compounds"

Designated contracting state (EPC)

AT CH DE FR GB IT LI NL

DOCDB simple family (publication)

EP 0334445 A1 19890927; CN 1036101 A 19891004; JP H028345 A 19900111; KR 890015303 A 19891028; NL 8800739 A 19891016

DOCDB simple family (application)

EP 89200693 A 19890320; CN 89101680 A 19890320; JP 6776689 A 19890322; KR 890003486 A 19890321; NL 8800739 A 19880324