How to formulate a constitutive model for the elastic-plastic behavior of thermoset polymer at elevated temeperature? Are there any reaonable method (have physical meaning) which are widely accepted?
Jiri Vohlidal
Dear colleague.
The model will be the same as for room or any other temperature. It will be composed of springs and pistons, e.g., Tuckett model. What you have to respect are the changes in moduli characterizing enthalpic (G1) and entropic (G2) springs and dynamic viscosity coefficients of pistons in the viscoelastic (eta2) and the plastic (eta3) components. That´s all. Best regards, J.V.
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