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Materiale Plastice
Cite as: Mater. Plast.
https://doi.org/10.37358/Mat.Plast.1964

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Materiale Plastice (Mater. Plast.), Year 2010, Volume 47, Issue 4,





HORIA PAVEN Explicit Analytical Relations for Strain-controlled Rheodynamical Quantities in the Case of Zener-Arrhenius Model I. Underlying relations


Abstract:
In order to point out the intrinsic peculiarities of thermorheodynamical behaviour of solid-like polymer materials, the framework of a Zener - Arrhenius model is considered, the frequency or/and temperature dependences being approached in the case of strain-controlled conditions. The complete set of the explicit general relations providing the characteristic thermorheodynamical quantities (the storage, loss and absolute moduli, as well as the loss factor, and the corresponding storage, loss and absolute compliances) is presented in terms of meaningful rheological parameters including the low - and high frequency limit values of the storage modulus, and the appropriate relaxation time. The underlying analytical relations are given in forms suitable for direct numerical simulation of both isothermal frequency - dependence, and well as of isochronal temperature - dependence circumstances. Keywords: analytical relations, characteristic thermorheodynamical quantities, strain-controlled conditions, Zener - Arrhenius model, isothermal and isochronal circumstances



Issue: 2010 Volume 47, Issue 4
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