Abstract

A new interpretation is proposed for the dependence of dynamic moduli on the deformation amplitude during shear vibrations occurring at a xed vibration frequency. It is based on a structural rheological model, which includes the kinetic equations for the formation and destruction of particle aggregates under the action of an oscillating shear flow. Rheological equations have been obtained that are able to approximate rheological curves in separate sections with different amplitudes of shear deformation. The possibilities of the new rheological model are shown on the example of two polymer systems filled with solid particles.

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