Developing a Compressive Fracture Theory for Nanocomposites

A N Guz, Albert Alexander Rodger, Igor Guz

Research output: Contribution to journalArticlepeer-review

48 Citations (Scopus)


The paper addresses a compressive-failure theory for polymer-matrix nanocomposites in the case where failure onset is due to microbuckling. Two approaches based on the three-dimensional linearized theory of stability of deformable bodies are applied to laminated and fibrous nanocomposites. According to the first approach (continuum compressive-failure theory), nanocomposites are modeled by a homogeneous anisotropic medium with effective constants, including microstructural parameters. The second approach uses the piecewise-homogeneous model, three-dimensional relations for fibers (CNT) and matrix, and continuity conditions at the fiber-matrix interface. The compressive-failure theory is used to solve specific problems for laminated and fibrous nanocomposites. Some approximate failure theories based on the one- and two-dimensional applied theories of stability of rods, plates, and shells are analyzed.

Original languageEnglish
Pages (from-to)233-255
Number of pages23
JournalInternational Applied Mechanics
Issue number3
Publication statusPublished - 2005


  • nanocomposites
  • CNT fiber
  • polymer matrix
  • compressive failure
  • microbuckling
  • three-dimensional linearized theory of stability of deformable bodies
  • walled carbon nanotubes
  • molecular-dynamixs simulation
  • elastic properties
  • Youngs Modulus
  • mechanical-properties
  • electronic-properties
  • composite-materials
  • stability
  • fracture
  • boundary


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