STP68

    Compressive Properties of Aluminum Alloy Sheet at Elevated Temperatures

    Published: Jan 1946


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    Abstract

    Apparatus has been developed to allow the compression testing of sheet materials at elevated temperatures. It includes a testing fixture, a special extensometer, and an oil-bath furnace which are described in detail. The short-time compressive properties of five high-strength aluminum alloy sheet materials have been determined at temperatures up to 300 F. after exposures ranging from ½ to 1000 hr. The materials include 24S-T, 24S-T81, 24S-T86, R301-T, and 75S-T. The effects of temperature and time on compressive yield strength are compared with those for the corresponding tensile properties and it is found that approximate values of compressive yield strength may be derived from calculations based upon the tension values. Of the materials tested, the members of the 24S-T8 series appear to offer the best possibilities for elevated-temperature service.


    Author Information:

    Flanigan, Alan E.
    Research Engineer, Engineer, and Associate Professor, University of California, Berkeley, Calif.

    Tedsen, Leslie F.
    Research Engineer, Engineer, and Associate Professor, University of California, Berkeley, Calif.

    Dorn, John E.
    Research Engineer, Engineer, and Associate Professor, University of California, Berkeley, Calif.


    Paper ID: STP44973S

    Committee/Subcommittee: A01.06

    DOI: 10.1520/STP44973S


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