4.5 Article

An efficient RVE formulation for the analysis of the elastic properties of spherical nanoparticle reinforced polymers

Journal

COMPUTATIONAL MATERIALS SCIENCE
Volume 96, Issue -, Pages 319-326

Publisher

ELSEVIER SCIENCE BV
DOI: 10.1016/j.commatsci.2014.09.030

Keywords

RVE; Nanocomposites; Nanoparticles; Interphase; Filler distribution; Morphology

Funding

  1. Veneto Nanotech
  2. Italian cluster of Nanotechnology
  3. CARIVERONA Foundation, (within the frame Contributo di Fondazione Cariverona a valere sui finanziamenti alla ricerca scientifica e tecnologica per l'anno)
  4. CARIPARO foundation

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Based on the use of Ripley function, a new algorithm for the generation of three-dimensional Representative Volume Elements (RVEs), easy to be meshed and imported in a FE code, is developed. The presence of an interphase zone, surrounding the nanofiller, of different mechanical properties with respect to the polymer matrix is accounted for. The basic features and potentialities of the tool are discussed by referring to a Complete Spatial Random Distribution. Moreover the effects of the material morphology on the overall interphase amount and on the elastic properties of polymer/particle nanocomposites are analysed. Eventually, a computational analysis is carried out to study the effects of the interphase thickness and properties on the elastic properties of nanocomposites. (C) 2014 Elsevier B.V. All rights reserved.

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