Hot worked rare earth-iron-carbon magnets

Details Hot worked rare earth-iron-carbon magnets Hot worked rare earth-iron-carbon magnets

1990-12-05

1992-02-04

Sheehan, John P.

Metal treatment

Stock

Magnetic

148302, 420 9, 420 13, 420 14, 420 83, 420121, 75236, 75238, H01F 1053

Patent

active

050857169

ABSTRACT:
Anisotropic permanent magnets consisting essentially of RE.sub.2 TM.sub.14 C are prepared by hot working suitable iron-neodymium/praseodymium-carbon containing alloys so as to produce deformed fine grains of the above essential magnetic phase.

REFERENCES:
patent: 4792367 (1988-12-01), Lee
patent: 4844754 (1989-07-01), Lee
patent: 4849035 (1989-07-01), Stadelmaier et al.
Buschow et al, "Note on the Formation and the Magnetic Properties of the Compound Nd.sub.2 Fe.sub.14 C", Journal of the Less-Common Metals, vol. 141 (1988), pp. L15-L18.
Coehoorn et al, "Permanent Magnetic Materials Based on Nd.sub.2 Fe.sub.14 C Prepared by Melt Spinning", Journal of Applied Physics, vol. 65, No. 2, Jan. 15, 1989, pp. 704-709.
DeBoer et al, "Magnetic and Crystallographic Properties of Ternary Rare Earth Compounds of the Type R.sub.2 Fe.sub.14 C", Journal of Magnetism and Magnetic Materials, vol. 72 (1988), pp. 167-173.
DeBoer et al, "Magnetic Properties of Nd.sub.2 Fe.sub.14 C and Some Related Pseudoternary Compounds", Journal of Magnetism and Magnetic Materials, vol. 73 (1988), pp. 263-266.
DeMooij et al, "Formation and Magnetic Properties of the Compounds R.sub.2 Fe.sub.14 C", Journal of the Less-Common Metals, vol. 142 (1988), pp. 349-357.
Denissen et al, "Spin Reorientation in Nd.sub.2 Fe.sub.14 C", Journal of the Less-Common Metals, vol. 142 (1988), pp. 195-202.
Gueramian et al, "Synthesis and Magnetic Properties of Ternary Carbides R.sub.2 Fe.sub.14 C (R=Pr, Sm, Gd, Tb, Dy, Ho, Er, Tm, Lu) with N.sub.2 Fe.sub.14 B Structure Type", Solid State Communications, vol. 64, No. 5 (1987), pp. 639-644.
Helmholdt et al, "Neutron Diffraction Study of the Crystallographic and Magnetic Structure of Nd.sub.2 Fe.sub.14 C", Journal of the Less-Common Metals, vol. 144 (1988), pp. L33-L37.
Liu et al, "High Coercivity Permanent Magnet Materials Based on Iron-Rare Earth-Carbon alloys", Materials Letters, vol. 4, No. 8,9, Aug. 1986, pp. 377-380.
Liu et al, "High Intrinsic Coercivities in Iron-Rare Earth-Carbon-Boron Alloys Through the Carbide or Boro-Carbide Fe.sub.14 R.sub.2 X (X=B.sub.x C.sub.1-x)", Journal of Applied Physics, vol. 61, No. 8, Apr. 15, 1987, pp. 3574-3576.
Pedziwiatr et al, "Magnetic Properties of R.sub.2 Fe.sub.14 C (R=Dy or Er)", Journal of Magnetism and Magnetic Materials, vol. 59 (1986), pp. L179-L181.
Pedziwiatr et al, "Magnetism of R.sub.2 Fe.sub.14 B-Based Systems", Journal of the Less-Common Metals, vol. 126 (1986), pp. 41-52.
Sanchez et al, "Structural, Mossbauer and Magnetic Studies of DyFeC(B) Permanent Magnet Alloys", Journal of Magnetism and Magnetic Materials, vol. 79 (1989), pp. 249-258.

Affiliated with

Also associated with

Rating

Hot worked rare earth-iron-carbon magnets does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Hot worked rare earth-iron-carbon magnets, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Hot worked rare earth-iron-carbon magnets will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-345661