Abstract
The response to shock loading of a glass‐fibre epoxy composite has been investigated in terms of stress, particle velocity, shock velocity, release velocity and reload signal due to spall. The shock velocity has a linear relationship with particle velocity, and shock stress lies a little above the corresponding hydrodynamic pressure. Results show that the likelihood of spallation increases with pulse duration, suggesting that damage in the material accumulates behind the shock front. This would seem confirmed by release wave speed measurements, that show the zero particle velocity intercept is lower than either c0 (for the shock velocity — particle velocity relationship) or the longitudinal sound speed (cL).
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