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Application of an aging treatment for aluminum-lithium alloys to increase their tenacity at cryogenic temperatures, notably for the fabrication of launchers for the aerospace industry
Application of an aging treatment for aluminum-lithium alloys to increase their tenacity at cryogenic temperatures, notably for the fabrication of launchers for the aerospace industry
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机译：对铝-锂合金进行时效处理以提高其在低温下的韧性，特别是在航空航天工业的发射器制造中
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摘要
The application of an aging treatment for aluminum-lithium C458 alloy comprises producing the alloy in the T3 condition and applying an aging treatment in two stages consisting of: (a) aging the alloy in a first stage of treatment at a temperature of about 175 to 250[deg]F for a duration of about 12 to 192 hours; (b) aging the alloy in a second stage of treatment at a temperature of about 275 to 310[deg]F for a duration of about 12 to 96 hours.
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