COMPRESSIVE AND TENSILE CREEP OF 7075-T6 AND 2024-T3 ALUMINUM-ALLOY SHEET

摘要

Results are presented of compressive and tensile creep tests of 7075-T6 and 2024-T3 aluminum-alloy sheet at 300°, 375°, 450°, and 600° F. Compressive and tensile creep are compared and found to be essentially the same for both materials in the primary and secondary creep regions except for 2024-T3 aluminum-alloy sheet at 300° and 375° F where the compressive creep was less. At 300° F where aging and restraining effects were particularly evident, compressive creep was markedly less than tensile creep.