Two-dimensional microstructure based modelling of Young's modulus of long fibre thermoplastic composite

A. Goel, K. K. Chawla, U. K. Vaidya, Nikhilesh Chawla, M. Koopman

Research output: Contribution to journalArticlepeer-review

8 Scopus citations


The dependence of physical and mechanical properties on microstructure is well known. Various numerical and analytical methods are routinely employed to predict the properties of multiphase materials but these models make certain simplifying assumptions about the microstructure of the material, such as homogeneity, that are not accurate. In the present work, a microstructure based finite element code called object oriented finite element method (OOF) has been used to investigate the longitudinal elastic modulus of a long fibre reinforced thermoplastic (LFT) composite (glass fibre/polypropylene). The modulus value predicted by OOF was then compared with the experimental value and values predicted by various models. It is shown that by taking into account the important microstructural parameters in the composite, i.e. the actual fibre orientation and distribution, accurate prediction of modulus can be obtained.

Original languageEnglish (US)
Pages (from-to)864-869
Number of pages6
JournalMaterials Science and Technology
Issue number7
StatePublished - Jul 2008


  • Glass fibre
  • Long fibre reinforced
  • Object oriented finite element method
  • Polypropylene
  • Thermoplastic composite
  • Young's modulus

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering


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