Abstract
The shock-wave properties of ED-10 epoxy resin have been studied using VISAR and PDV multiple-channel laser interferometers. The Hugoniot of epoxy resin and pressure dependence of sound speed has been obtained and it has been shown that the structure of a shock-wave front corresponds to the model of a Maxwell viscous-elastic body with a typical relaxation time of tangential stresses of 0.3 μs. The spall strength has been measured and its dependence on the strain rate in a sample upon pulse tension has been determined.
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ACKNOWLEGMENTS
The work is carried out with financial support of FAIR-Russia Research Center.
This work was performed in accordance with the state task, state registration no. 0089-2014-0017.
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Translated by M. Astrov
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Mochalova, V.M., Utkin, A.V., Pavlenko, A.V. et al. Pulse Compression and Tension of Epoxy Resin under Shock-Wave Action. Tech. Phys. 64, 100–105 (2019). https://doi.org/10.1134/S1063784219010225
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DOI: https://doi.org/10.1134/S1063784219010225