Light weight, high strength beryllium-aluminum alloy

Details Light weight, high strength beryllium-aluminum alloy Light weight, high strength beryllium-aluminum alloy

1993-09-03

1995-06-06

Lewis, Michael

Metal treatment

Stock

148405, 420401, C22C 2500

Patent

active

054219167

ABSTRACT:
A light weight, high strength ternary or higher-order cast beryllium-aluminum alloy, including approximately 60 to 70 weight % beryllium, one or both of from approximately 0.5 to 4 weight % silicon 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 0.75 weight % of the alloy to increase the alloy strength.

REFERENCES:
patent: 3322512 (1967-05-01), Krock et al.
patent: 3322514 (1967-05-01), Krock et al.
patent: 3323880 (1967-06-01), Krock et al.
patent: 3438751 (1969-04-01), Krock et al.
patent: 3490959 (1970-01-01), Krock et al.
patent: 3548948 (1970-12-01), Richmond et al.
patent: 3664889 (1972-05-01), McCarthy et al.
patent: 3687737 (1972-08-01), Krock et al.
Ashurst, A., "Structure and Properties of Albemet Alloys," Brush Wellman, Inc., 1991.

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