C - Chemistry – Metallurgy – 22 – C
Patent
C - Chemistry, Metallurgy
22
C
75/46
C22C 25/00 (2006.01)
Patent
CA 2159121
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.
L'invention concerne un alliage de béryllium-aluminium moulé, quaternaire, léger et résistant. Cet alliage comprend environ 60 à 70 % en poids de béryllium, et environ 0,2 à 5 % en poids de germanium et entre 0,2 à 4,25 % en poids d'argent, le reste étant de l'aluminium. Les éléments de renforcement de béryllium sélectionnés dans le groupe se composant de cuivre, nickel ou cobalt peuvent représenter entre 0,1 et 5,0 % en poids de l'alliage pour augmenter la résistance de ce dernier.
Levoy Nancy F.
Nachtrab William T.
White Raymond L. III
Macrae & Co.
Starmet Corporation
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