K. Aniskevich, O. Starkova, J. Jansons and A. Aniskevich
Institute of Polymer Mechanics, Riga, Latvia

Series: Materials Science and Technologies
BISAC: TEC021000

An experimental study of styrene-butadiene rubber (SBR) filled with various content of silica particles with and without surface treatment was done to go ahead in understanding the nature of the rubber reinforcement. Applicability of Klueppel-Schramm model for description of strain softening was evaluated in cyclic loading-unloading tension tests, and parameters of the model as functions of filler volume content were determined. Contribution of viscoelastic effects into the deformation properties of filled rubber was evaluated in creep tests and taken into account for description of strain softening. It is shown that the description of experimental data by Klueppel-Schramm model was considerably improved by taking into account the effect of viscoelasticity. (Imprint: Nova)