Abstract
A brief description is given of testing equipment developed and built at the Institute of Polymer Mechanics of the Academy of Sciences of the Latvian SSR and intended for investigating the fatigue properties of polymer materials in a symmetrical tension-compression cycle at a loading frequency of 20 kHz. It is shown that the equipment is suitable for estimating the acoustic parameters of the material (acoustic attenuation coefficient, phase velocity of sound) and the self-heating temperature of the specimen over a broad range of amplitudes of the acoustic displacement throughout the fatigue test. The potential of the equipment is illustrated by describing the results of preliminary tests. The acoustic characteristics have been plotted as functions of time and temperature during the initial period of acoustic loading.
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Mekhanika Polimerov, Vol. 2, No. 6, pp. 911–916, 1966
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Urzhumtsev, Y.S., Skalozub, S.L. Acoustic fatigue of polymer materials. Polymer Mechanics 2, 585–588 (1966). https://doi.org/10.1007/BF00859983
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DOI: https://doi.org/10.1007/BF00859983