METHOD FOR TEMPERING AN ALUMINUM ALLOY
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United States of America Patent
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Issued Date -
Sep 13, 2012
app pub date -
Apr 12, 2012
filing date -
Jun 26, 2008
priority date (Note) -
Abandoned
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Abstract
A process for tempering large aluminum lithium alloy component parts to achieve high strength capability and resistance to stress corrosion cracking without the need for the prior art step of cold working the alloy components parts. The process achieves the desired material properties by the use of two novel soaking time periods and the use of novel controlled temperature selection at the two respective soaking times as well as carefully controlling the temperature decrease from one soaking time period to the other.
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