Micromechanical analysis of polymer composites reinforced by unidirectional fibres: Part I-Constitutive modelling

A. R. Melro*, P. P. Camanho, F. M. Andrade Pires, S. T. Pinho

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)

125 Citations (Scopus)

Abstract

Micromechanical analyses of unidirectional continuous-fibre reinforced composite materials were performed to study the mechanisms of deformation and fracture of the constituents, and their influence on the mechanical properties of the composite. Special focus was given to the matrix material behaviour as well as to the interface between constituents. The matrix was modelled using a pressure dependent, elasto-plastic thermodynamically consistent damage model. Cohesive elements were used to model the interface between matrix and fibres. Part I of this paper details the continuum model developed for a typical epoxy matrix. Part II will focus on micromechanical analyses of composite materials and the estimation of its elastic and strength properties.

Original languageEnglish
Pages (from-to)1897-1905
Number of pages9
JournalInternational Journal of Solids and Structures
Volume50
Issue number11-12
DOIs
Publication statusPublished - 1 Jun 2013

Keywords

  • Composites
  • Damage
  • Epoxy
  • FEA
  • Plasticity

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