Method of producing a ductile rare-earth containing superalloy

Details Method of producing a ductile rare-earth containing superalloy Method of producing a ductile rare-earth containing superalloy

1973-11-01

1976-09-14

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 84, 75129, 75152, C22B 406, C22C 1900

Patent

active

039804682

ABSTRACT:
A method is provided for producing ductile superalloys containing rare-earth metals, lanthanum and yttrium by melting the desired alloy composition by conventional melt practices, adding the rare-earth metals, lanthanum or yttrium to the molten composition, forming the alloy composition into solid electrodes, remelting the solid electrode by electroslag remelting techniques and casting the remelted alloy.

REFERENCES:
patent: 3264093 (1966-08-01), Sump
patent: 3295963 (1967-01-01), Galvin
patent: 3551137 (1970-12-01), Bhat
Joseph & Mumau, "Electroflux Remelting Improves Properties of Inconel 718," Metal Producing Progress, pp. 139 et seq. (1967).
Hoyle & Lott, "A Brief Introduction to Electro-Slag Refining," BISRA (1965).
Duckworth & Hoyle, "Electro-Slag Refining," p. 154 (1969).

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