Effect of a viscoelastic interface on the transverse behavior of fiber-reinforced composites

M. Gosz*, B. Moran, J. D. Achenbach

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

41 Scopus citations


In this paper we investigate the effect of a viscoelastic interfacial zone on the mechanical behavior of a transversely loaded tiber-reinforced composite. A simple linearly viscoelastic model is used to characterize the stiffness and viscosity of the interface separating the libers and the matrix. The mechanical response is obtained using the finite element method and calculations are carried out for a unit cell in a periodic array of hexagonally packed fibers. An approximate representation of the time-dependent macroscopic behavior of the composite is derived analytically and compared with the numerical results. From a micromechanical perspective, the influence of interfacial stress relaxation on the stress fields in the matrix material contiguous to the interface is also examined.

Original languageEnglish (US)
Pages (from-to)1757-1771
Number of pages15
JournalInternational Journal of Solids and Structures
Issue number14
StatePublished - 1991
Externally publishedYes

ASJC Scopus subject areas

  • Modeling and Simulation
  • General Materials Science
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Applied Mathematics


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