Abstract
The dispersion equation is derived for axisymmetric (longitudinal and torsional) normal vibrations in oriented glass-reinforced plastics. The low-frequency case is examined in detail. The frequency limits of applicability of the method of substituting a homogeneous medium for the composite (GRP) are estimated. The dependence of the vibration propagation velocity on glass content is calculated.
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Literature cited
V. G. Korenev, Introduction to the Theory of Bessel Functions [in Russian], Moscow (1971).
Additional information
Leningrad Zonal Scientific-Research Institute of Experimental Design of Public and Residential Buildings. Translated from Mekhanika Polimerov, No. 6, pp. 976–983, November–December, 1973.
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Davydov, S.D., Zaretskii-Feoktistov, G.G. & Sudakov, V.V. Propagation of elastic waves along the fibers in oriented glass-reinforced plastics. Polymer Mechanics 9, 867–872 (1973). https://doi.org/10.1007/BF00856969
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DOI: https://doi.org/10.1007/BF00856969