Micromechanical Modeling of the Effective Viscoelastic Response of Polyamide-6-Based Nanocomposites Reinforced with Modified and Unmodified Montmorillonite Clay - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Materials Science Forum Année : 2012

Micromechanical Modeling of the Effective Viscoelastic Response of Polyamide-6-Based Nanocomposites Reinforced with Modified and Unmodified Montmorillonite Clay

Résumé

A micromechanics-based approach using a self-consistent scheme based on the double-inclusion model is adopted to develop a pertinent model for describing the viscoelastic response of polymer/clay nanocomposites. The relationship between the intercalated nanostructure and the effective nanocomposite stiffness is constructed using an equivalent stiffness method in which the clay stacks are replaced by homogeneous nanoparticles with predetermined equivalent anisotropic stiffness. The capabilities of the proposed micromechanics-based model are checked by comparing with the experimental viscoelastic (glassy to rubbery) response of two polyamide-6-based nanocomposite systems reinforced with a modified montmorillonite clay (Cloisite 30B) and an unmodified sodium montmorillonite clay (Cloisite Na+), favoring, respectively, exfoliation and intercalation states.
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Dates et versions

hal-00690674 , version 1 (24-04-2012)

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Kokou Anoukou, Fahmi Zaïri, Moussa Nait-Abdelaziz, Ali Zaoui, Jean-Michel Gloaguen. Micromechanical Modeling of the Effective Viscoelastic Response of Polyamide-6-Based Nanocomposites Reinforced with Modified and Unmodified Montmorillonite Clay. Materials Science Forum, 2012, 714 (13), pp.13-20. ⟨10.4028/www.scientific.net/MSF.714.13⟩. ⟨hal-00690674⟩

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