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Article Dans Une Revue Materials & Design Année : 2012

Modelling the effects of various contents of fillers on the relaxation rate of elastomers

Lucien Laiarinandrasana
Dominique Jeulin
Samuel Forest

Résumé

This paper describes numerical investigations conducted on filled rubbers. Some experimental data on stress relaxation tests carried out on various filled elastomers evidenced that increasing the content of rigid particles such as fillers or changes in the crystallization index, result in higher values of the stress relaxation rate. This result seems to indicate that higher rigid particle contents promote macroscopic viscoelastic strain. To better understand this effect, finite element analyses were carried out on axi-symmetric unit cells as well as unit cell for numerical homogenization with periodic computations.

Domaines

Matériaux

Dates et versions

hal-00624105 , version 1 (15-09-2011)

Identifiants

Citer

Lucien Laiarinandrasana, Aurélie Jean, Dominique Jeulin, Samuel Forest. Modelling the effects of various contents of fillers on the relaxation rate of elastomers. Materials & Design, 2012, 33, pp.75-82. ⟨10.1016/j.matdes.2011.06.054⟩. ⟨hal-00624105⟩
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