Rapid solidification of plasma sprayed magnetic alloys

Details Rapid solidification of plasma sprayed magnetic alloys Rapid solidification of plasma sprayed magnetic alloys

1987-09-24

1988-11-01

Stallard, Wayland

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 05BA, 75 05C, 264 8, 148304, 148305, B22F 910

Patent

active

047817542

ABSTRACT:
A method is provided for rapidly solidifying rare earth-transition metal containing alloy. It entails introducing the alloy into the flame of a plasma torch and directing the torch flame onto the inside surface of a rotating quench cylinder. A non-oxidizing gas is also directed onto the quench surface so that the alloy solidifies at a rate such that a powder having a substantially amorphous to finely crystalline microstructure is obtained and such that the solidified alloy does not adhere to the quench surface and can be easily collected.

REFERENCES:
patent: 3316073 (1967-04-01), Kelso
patent: 3963812 (1976-06-01), Schlienger
patent: 4221587 (1980-09-01), Ray
Savage et al.; Production of Rapidly Solidified Metals and Alloys; Journal of Metals; Apr. 1984; pp. 23, 26.

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