Abstract
The description of the damping characteristics of high-polymer materials involves the necessity of calculating a very broad relaxation spectrum. This creates serious difficulties in analyzing the mechanical response of complex elasto-hereditary systems. Experimental justification is offered for the use of exponential-fractional kernels in describing the frequency dependence of the damping characteristics of two shock-absorbing rubbers and an effective method is proposed for determining the rheological parameters of the kernels from the minimum amount of experimental data. The use of exponential-fractional kernels permits important simplifications in the analysis of the dynamic and quasistatic responses of both linear and nonlinear elasto-hereditary systems.
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Literature cited
Yu. N. Rabotnov, PMM,12, 1, 1948.
I. I. Krush, Izv. AN SSSR, Mekh., No. 6, 1965.
V. N. Poturaev and V. I. Dyrda, Kauchuk i rezina, No. 4, 1967.
Additional information
Dnepropetrovsk Mining Institute. Translated from Mekhanika Polimerov, Vol. 4, No. 5, pp. 829–831, September–October, 1968.
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Poturaev, V.N., Krush, I.I. & Dyrda, V.I. Determination of the parameters of the exponential-fractional relaxation kernel of shock-absorbing rubbers in shear. Polymer Mechanics 4, 665–667 (1968). https://doi.org/10.1007/BF00855797
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DOI: https://doi.org/10.1007/BF00855797