Method of manufacturing flakes from a magnetic material having a

Details Method of manufacturing flakes from a magnetic material having a Method of manufacturing flakes from a magnetic material having a

1987-09-11

1989-03-07

Lin, Kuang Y.

Metal treatment

Stock

Magnetic

164463, 75251, 428606, B22D 1106, B22F 908

Patent

active

048103098

ABSTRACT:
A method of manufacturing flakes from hard magnetic material having a preferred orientation of crystallites is described, in which the cooling rate of a molten alloy which comprises a rare earth metal, iron and/or cobalt and boron is chosen to be so that the flakes have an average length of 10 mm and a thickness of between 10 and 70 .mu.m.

REFERENCES:
"Permanent Magnet Properties of Rapidly Quenched Rare Earth-Iron Alloys", by J. J. Croat, Physics Department, GM Research Laboratories, Research Publication GMR-4080.

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