A model of cylindrical inhomogeneity with spring layer interphase and its application to analysis of short-fiber composites

Lidiia Nazarenko, Henryk Stolarski, Holm Altenbach

Research output: Contribution to journalArticle

12 Scopus citations

Abstract

A model for randomly distributed, unidirectional, short-fiber composites with the spring layer model of interphases is presented and evaluated by means of numerical examples. It combines the notion of the energy-equivalent inhomogeneity and the method of conditional moments, proposed to evaluate the effective properties of random composites. The model leads to closed-form solution for effective properties of the composite. Given that the results for short-fiber composites with interphases do not appear to exist in the literature, the verification of the proposed methodology was possible through comparisons with the solutions for composites with infinite fibers. The limit values of the results developed here for short fibers are in an excellent agreement with those available in the literature for infinite fibers.

Original languageEnglish (US)
Pages (from-to)635-652
Number of pages18
JournalComposite Structures
Volume160
DOIs
StatePublished - Jan 15 2017

Keywords

  • Anisotropic composites
  • Effective properties
  • Equivalent fiber of finite length
  • Spring layer model

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