Manufacture of high-strength metallic articles

Details Manufacture of high-strength metallic articles Manufacture of high-strength metallic articles

1979-11-01

1981-12-08

Hunt, Brooks H.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

75211, 75200, 75247, 428545, B22F 300

Patent

active

043046002

ABSTRACT:
In the interest of mechanical strength and hardness, metallic bodies desirably contain dispersed particles whose diameter preferably is in the range of 50-10,000 Angstrom. A disclosed method for producing such metallic bodies calls for preparing a solution of mixed salts of elements, removing the solvent, transforming to metallic form, and compacting under pressure. Strength of a resulting metallic body may be further developed by aging and, optionally, cold deformation prior to aging.
Use of the disclosed method is indicated especially to produce bodies comprising immiscible elements. For example, when Mo is dispersed in Cu, high strength and electrical conductivity are realized.

REFERENCES:
patent: 3143789 (1964-08-01), Iler et al.
patent: 3184835 (1965-05-01), Coxe et al.
patent: 3290144 (1966-12-01), Iler et al.
patent: 3516935 (1970-06-01), Monforte et al.
patent: 3685134 (1972-08-01), Blue
patent: 3779714 (1973-12-01), Nadkarni et al.
patent: 3922180 (1975-11-01), Fuchs et al.
"The American Metal Co. Ltd." FHC Brand Copper pp. 92-100; 1957.

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