Abstract

Uniaxial shock-compression studies were conducted on Teflon in the stress region between 2.5 and 25 kbar using a compressed-gas gun and quartz-gauge instrumentation. Measurements of stress and particle velocity at the impact surface show that a transition occurs at 5.0 ± 0.2 kbar with an associated volume change of approximately 2.2 ± 0.2%. Measurements of the stress wave profiles after transmission through the samples show an attenuation of peak stresses and suggest a visoelastic behavior of Teflon.

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