Rheological Coefficients for Media with Mechanical Relaxation Phenomena

A. Ciancio, V. Ciancio, F. Farsaci

Abstract


In this paper the phenomenological coefficients, which occur in the rheological equations of
K.C.’s theory for viscoanelastic media of order one with memory, are determined as functions
of an harmonic shear deformation and it is shown that these coefficients verify some inequalities
which follow from principle of entropy production. Experimental confirmations are obtained for
a polimeric material as the poly-isobutilene.

[DOI: 10.1685 / CSC06157] About DOI

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DOI: http://dx.doi.org/10.1685/




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