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Characterizing Large Strain Elasticity of Brittle Elastomeric Networks by Embedding Them in a Soft Extensible Matrix

Ducrot , Etienne ; Creton , Costantino ; Sciences et Ingénierie de la Matière Molle ( SIMM ) ; Centre National de la Recherche Scientifique ( CNRS ) -PSL Research University ( PSL ) -ESPCI ParisTech-Université Pierre et Marie Curie - Paris 6 ( UPMC )

ISSN: 1616-301X

HAL CCSD;Wiley, 2016

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  • Titre:
    Characterizing Large Strain Elasticity of Brittle Elastomeric Networks by Embedding Them in a Soft Extensible Matrix
  • Auteur: Ducrot , Etienne;
    Creton , Costantino
  • Autre(s) auteur(s): Sciences et Ingénierie de la Matière Molle ( SIMM ) ; Centre National de la Recherche Scientifique ( CNRS ) -PSL Research University ( PSL ) -ESPCI ParisTech-Université Pierre et Marie Curie - Paris 6 ( UPMC )
  • Sujets: mechanical properties; elastomers; double network; fracture; non-linear elasticity; [ PHYS.COND.CM-SCM ] Physics [physics]/Condensed Matter [cond-mat]/Soft Condensed Matter [cond-mat.soft]
  • Fait partie de: ISSN: 1616-301X
  • Description: International audience
    Here, the general design and properties of new multiple network elastomers with an exceptional combination of stiffness, toughness, and elasticity are reported. In this paper, it is reported in more detail how the increase in strain at break resulting from the toughening can be used to provide great insight in the large strain properties of otherwise brittle acrylic well crosslinked networks. The networks have been prepared by sequences of polymerization and swelling with monomers. The parameters that have been varied are the nature of the base monomers and the degree of crosslinking of the first network. Here, the small strain properties, equilibrium swelling, and large strain properties in uniaxial tension are characterized. It is shown here that the large strain properties of the multiple networks are quantitatively controlled by the large strain properties of the stretched first network which acts as a percolating filler, while the small and intermediate properties are controlled by the entanglement density which can be largely superior to that of homogeneous networks. Different brittle and prestretched elastomer networks are embedded at a low volume fraction in a soft extensible matrix. The increase in toughness of the final material is directly controlled by the nonlinear elastic properties of the prestretched network and its volume fraction, providing a general design rule for tough soft materials
  • Titres liés: info:eu-repo/semantics/altIdentifier/arxiv/1702.03764; info:eu-repo/semantics/altIdentifier/doi/10.1002/adfm.201504536
  • Éditeur: HAL CCSD;Wiley
  • Date de publication: 2016
  • Langue: Anglais
  • Identifiant: HAL Id hal--01443797 ; ARXIV : 1702.03764 ; DOI : 10.1002/adfm.201504536
  • Source: ESPCI Paris (archives ouvertes)
  • Droits: info:eu-repo/semantics/OpenAccess

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