Hot thermo-mechanical processing of heat-treatable aluminum alloys
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United States of America Patent
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Oct 18, 2016
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Apr 12, 2012
app pub date -
Sep 16, 2011
filing date -
Oct 11, 2010
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Abstract
The invention includes the hot thermo-mechanical processing of heat-treatable aluminum alloys comprising preparation of the billet material, heating the billet to obtain the temperature for solution treatment, holding the billet at this temperature a sufficient amount of time required for the dissolution of soluble elements, cooling the billet to the temperature necessary for plastic deformation with essential preservation of the solid solution, plastic deformation, immediate quenching of the billet after plastic deformation, and then billet aging at the corresponding temperature and time. Additional plastic deformation may be used between stages of quenching and aging. An embodiment specifies cooling rate, forging temperature and strain rate.
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