Dispersion strengthened cobalt-chromium-molybdenum alloy produce

Details Dispersion strengthened cobalt-chromium-molybdenum alloy produce Dispersion strengthened cobalt-chromium-molybdenum alloy produce

1985-08-13

1987-05-26

Terapane, John F.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

419 31, 419 44, 419 48, 419 19, 420436, 420437, 420439, 420440, 148408, B22F 100, C22C 1907, C22C 2912

Patent

active

046682902

ABSTRACT:
A dispersion strengthened cobalt-chromium-molybdenum alloy produced by gas atomization containing a fine oxide dispersion, and characterized, after fabrication by gas atomization, thermomechanical processing and further high temperature exposure, by excellent corrosion resistance, high fatigue strength, high ductility and high temperature stability; a process for producing said alloy and prostheses formed from said alloy.

REFERENCES:
patent: 3356542 (1967-12-01), Smith
patent: 3591362 (1971-07-01), Benjamin
patent: 3649256 (1972-03-01), Fletcher
patent: 3865585 (1975-02-01), Rademader
patent: 4012229 (1977-03-01), Herchenroeder et al.
Klar and Fesko, "Atomization", Metals Handbook, 9th Edn. vol. 7 (1984), American Society for Metals, pp. 25-38.
Gessinger, Powder Metallurgy of Superalloys, Butterworths, Boston, Mass. (1984) p. 22.

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