Ductile, light weight, high strength beryllium-aluminum cast com

Details Ductile, light weight, high strength beryllium-aluminum cast com Ductile, light weight, high strength beryllium-aluminum cast com

1994-01-26

1995-05-23

Dean, Richard O.

Metal treatment

Stock

420401, C22C 2500

Patent

active

054177782

ABSTRACT:
A light weight, high strength quaternary or higher-order cast beryllium-aluminum alloy, including approximately 60 to 70 weight % beryllium, and from approximately 0.2 to 5 weight % germanium and from 0.2 to 4.25 weight % silver, with the balance aluminum. Beryllium strengthening elements selected from the group consisting of copper, nickel, or cobalt may be present at from 0.1 to 5.0 weight % of the alloy to increase the alloy strength.

REFERENCES:
patent: 1816961 (1931-08-01), Cooper
patent: 1859413 (1932-05-01), Smith
patent: 3082521 (1963-03-01), Cohen
patent: 3264147 (1966-08-01), Benfield et al.
patent: 3322512 (1967-05-01), Krock et al.

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