Method of preparing a hard magnet by addition of a quench...

Details Method of preparing a hard magnet by addition of a quench... Method of preparing a hard magnet by addition of a quench...

H - Electricity

01

F

75/1.1

H01F 1/04 (2006.01) C22C 45/00 (2006.01) H01F 1/057 (2006.01)

Patent

CA 1255926

ABSTRACT OF THE DISCLOSURE Disclosed is a method of forming a glassy, hard magnetic material by rapidly quenching a molten composition of (1) a transition metal, as iron, cobalt, nickel, manganese, or mixtures thereof, (2) a lanthanide, as praesodymium, neodymium, or mixtures thereof, (3) boron, and (4) a quench rate broadening amount of a glass forming additive chosen from the group consisting of aluminum, aluminum-vanadium, zirconium, and zirconium-niobium. Also disclosed are the hard, magnetic materials prepared thereby.

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