Light weight, high strength beryllium-aluminum alloy
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United States of America Patent
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Feb 18, 1997
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app pub date -
Mar 10, 1995
filing date -
Sep 3, 1993
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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 2.0 weight % of the alloy to increase the alloy strength.
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