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Characterization and modeling of the viscoelastic behavior of a self-adhesive rubber using dynamic mechanical analysis tests

Rouleau, L.; Pirk, R.; Pluymers, B.; Desmet, W.
ABSTRACT: The goal of this study is twofold. The first one is to assess the applicability of approaches based on dynamic mechanical analysis to investigate the viscoelastic properties of a self-adhesive synthetic rubber. The second goal is to identify the parameters of a viscoelastic model which accurately represents the frequency-dependent mechanical properties. For that purpose, the time-temperature superposition principle is successfully applied to build the master curves of the material up to 1 MHz. The thickness of the samples and the thermal expansion effects are found to have a negligible influence on the mechanical properties measured by dynamic-mechanical analysis. The parameters of a generalized Maxwell model and a fractional derivative model are identified from the obtained master curves and lead to an accurate representation of the frequency-dependent mechanical properties of the rubber.

Journal of Aerospace Technology and Management, Vol.7, No 2, pp. 200-208 , 2015 Back to Publication List

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