The methods available for the estimation of the parameters, which determine the steady state conditions for the slow shear flow of polymers, under indifferent creep conditions have been considered, and the results of experiments carried out using a shear plastometer have been compared with calculations in which Boltzmann-Volterra equations with a memory characteristic have been used. The resolvent previously suggested in  has been employed in these latter equations. It has been shown that the equilibrium values for the modulus of rubber-like elasticity can be calculated from the results of experiments on unsteady creep states.
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Sabsai, O.Y., Koltunov, M.A. & Vinogradov, G.V. An analytical description of the creep behavior of polymers in a flowing state in the linear deformation region. Polymer Mechanics 8, 656–659 (1972). https://doi.org/10.1007/BF00855602
- Steady State
- State Condition
- Flowing State
- Analytical Description