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Abstract

The dynamic behavior at low frequencies of Penton (chlorinated polyether) which displays nonlinear response is described in terms of a free energy function and a dissipated energy function. The variation of the energy functions with frequency and magnitude of stress is determined experimentally from hysteresis tests. The dynamic properties of the material are expressed in terms of storage and loss modulus functions. In addition the dynamic behavior of the material at low frequencies is predicted from uniaxial static creep properties, using a modified superposition principle.