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Photoelastic investigation of stress concentrations in model glass-reinforced plastics under static load
Authors:R. I. Vinogradov  F. A. Granenko  V. P. Ogarkov
Abstract:The title investigation was carried out using a double-beam polarimeter for studying the stress patterns in "sandwich" models of glass-reinforced plastics. The same experimental technique can be adapted to a wide range of reinforced materials. A comparison of the experimental results with calculations based on the theory for quasi-homogeneous anisotropic plates shows that it is not always permissible to assume that the laminated material has a quasi-homogeneous structure.Translated from Mekhanika Polimerov, No. 4, pp. 711–718, July–August, 1969.
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