Temperature and strain rate effects on the mechanical properties of a polymer-bonded explosive
SMF Fracture and Shock Physics Group, The Cavendish Laboratory,
J.J. Thomson Avenue,
CB3 0HE, UK
a e-mail: firstname.lastname@example.org
Published online: 10 September 2018
The aim of the research reported here was to investigate the strain rate and temperature sensitivity of Rowanex 1100 Type 1A, a polymer-bonded explosive (PBX). The stress supported by this PBX at high rates of deformation (1750 ± 225 s−1) was found to be about an order of magnitude greater than that supported at low rates (0.015 s−1). Temperature was also found to have a large effect, with the strength of the material decreasing exponentially with temperature over the range studied (–60 to +60 °C). The exponents for the decay of the PBX’s strength with temperature at both low and high strain rates were the same within experimental error. So a temperature/strain rate shift factor could be determined and was found to be 31.2 ± 2.4 K/decade of strain rate.
© The Author(s) 2018
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