Mechanically alloyed nickel-base composition having improved hot

Details Mechanically alloyed nickel-base composition having improved hot Mechanically alloyed nickel-base composition having improved hot

1993-04-28

1994-07-12

Dean, Richard O.

Specialized metallurgical processes, compositions for use therei

Compositions

Loose particulate mixture containing metal particles

6537412, 4205841, 420586, C22C 3000

Patent

active

053284992

ABSTRACT:
A mechanically alloyed composition of matter containing 30-40% chromium, 0-15% cobalt, 0-10% iron, 0.2-1.0% aluminum, 0.3-1.2% titanium, greater than 1-5% tantalum and/or niobium, 0.2-1% yttria, usual processing and trace impurities, and the balance nickel. The addition of tantalum improves the workability characteristics of the alloy. The alloy is particularly useful for molten glass spinners.

REFERENCES:
patent: 3814635 (1974-06-01), Cometto et al.
patent: 4402767 (1983-09-01), Hinze et al.
patent: 4853185 (1989-08-01), Rothman et al.
patent: 4877435 (1989-10-01), Haeberle, Jr. et al.
W. H. Couts, Jr., "Refractory Elements Effects on Workability", pp. 69-76, 1984 ASM Conference on Refractory Alloying in Superalloys, Rio deJaneiro, Brazil.
R. T. Holt and W. Wallace, "Impurities and Trace Elements in Nickel-Base Superalloys", pp. 1-24, International Metals Review, Mar. 1976.
Z. Meng and X. Xie, "The Strengthening Effect of Tantalum in Nickel-Base Superalloys", p. 5630572, Superalloys 1984, AIME, Oct. 7-11, 1984, Champion, Pa.

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