Abstract
In this paper it is shown that the diffraction-grating technique and the optical-displacement technique used by the writer for the study of plastic wave propagation at room temperature, may both be extended to within 100° F of the melting point of aluminum. In addition to the measurement of stress history at the impact face obtained by the extension of the load-bar technique to elevated temperatures, strain-time, surface angle-time, time of contact, coefficient of restitution, and displacement-time behavior at the free end of the struck specimen may all be determined at elevated temperatures. Typical strain-time behavior is shown at 800, 1000, and 1100° F, for three types of impact situations.
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Bell, J.F. Experimental study of dynamic plasticity at elevated temperatures. Experimental Mechanics 2, 181–186 (1962). https://doi.org/10.1007/BF02325787
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DOI: https://doi.org/10.1007/BF02325787