High energy product rare earth-iron magnet alloys

Details High energy product rare earth-iron magnet alloys High energy product rare earth-iron magnet alloys

1987-07-16

1992-12-22

Sheehan, John P.

Metal treatment

Process of modifying or maintaining internal physical...

Magnetic materials

164462, 164463, B22D 1100

Patent

active

051727510

ABSTRACT:
Magnetically hard compositions having high values of coercivity, remanence and energy product contain rare earth elements, transition metal elements and boron in suitable proportions. The preferred rare earth elements are neodymium and praseodymium, and the preferred transition metal element is iron. The magnetic alloys have characteristic very finely crystalline microstructures.

REFERENCES:
patent: 4308474 (1981-12-01), Savage et al.
patent: 4374665 (1983-02-01), Koon
patent: 4382061 (1983-05-01), Herget et al.
patent: 4402770 (1983-09-01), Koon
patent: 4409043 (1983-10-01), Koon
patent: 4496395 (1985-01-01), Croat
patent: 4533408 (1985-08-01), Koon
Croat, "Preparation and Coercive Force Of Melt-Spun Pf-Fe Alloys," App. Phys. Lett. 37 (12), Dec. 15, 1980, pp. 1096-1098.
Kabacoff et al., "Thermal And Magnetic Properties Of Amorphous Pr.sub.x (Fe.sub.0.8 B.sub.0.2).sub.1-x," J. Appl. Phys. 53 (3), Mar. 1982, pp. 2255-2257.
Terekhova et al, "Iron-Neodymium Equilibrium Diagram," Russian Metallurgy, No. 3 (1965) pp. 50-52.
Stinat et al, "Magnetic Properties of Rare-Earth-Iron Intermetallic Compounds," IEEE Trans. on Mag, vol. MAG 2, No. 3, Sep. 1966, pp. 489-493.
Croat et al, "Pr-Fe and Nd-Fe Based Materials: A New Class of High-Performance Permanent Magnets," J. Appl. Phys. 55(6), Mar. 15, 1984.
Koon et al, "Magnetic Properties of Amorphous and Crystallized (Fe.sub.0.82 B.sub.0.18).sub.0.9 Tb.sub.0.05 La.sub.0.05," Appl. Phys. Lett., vol. 39, No. 15, Nov. 15, 1981, pp. 840-842.
Chabau et al, "Ternary (Nd;Sm,Gd)-Fe-B Systems", Dopov. Akad. Nauk (Ukranian SSR), Ser. A, No. 10, pp. 873-876.
Wohlfarth, Ferromagnetic Materials, vol. 1 (1980) pp. 382-388.

Affiliated with

Also associated with

Rating

High energy product rare earth-iron magnet alloys does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with High energy product rare earth-iron magnet alloys, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and High energy product rare earth-iron magnet alloys will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-970408