Pulse Compression and Tension of Epoxy Resin under Shock-Wave Action

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...

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Bibliographic Details
Published in:Technical physics 2019, Vol.64 (1), p.100-105
Main Authors: Mochalova, V. M., Utkin, A. V., Pavlenko, A. V., Malyugina, S. N., Mokrushin, S. S.
Format: Article
Language:English
Subjects:
Classical and Continuum Physics
Elastic bodies
Epoxy resins
Interferometers
Longitudinal waves
Physical Science of Materials
Physics
Physics and Astronomy
Pressure dependence
Pulse compression
Relaxation time
Shock waves
Strain rate
Stress relaxation
Wave propagation
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Summary: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.
ISSN:1063-7842
1090-6525
DOI:10.1134/S1063784219010225