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    The High Temperature Elastic Moduli of Aluminum

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    Al Elasticity Data (15.67Kb)
    Date
    1968-11-04
    Author
    Gerlich, D
    Fisher, E.S.
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    Abstract
    Measurements of the elastic moduli of aluminum over the temperature range 300°–930°K are reported. These data together with those reported for T < 300°K, show that all elastic moduli, including the shear moduli, vary smoothly with the temperature, up to the melting point, in contrast to other measurements at lower ultrasonic frequencies. From the data, a high temperature Grüneisen constant of 2·17 is calculated. The temperature dependence of the shear moduli at room temperature is calculated from Leigh's model, and the results of this calculation are compared with the experimentally determined data, and with the pressure dependence of the elastic moduli.
    This item URI
    http://hdl.handle.net/11256/83
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