Constitutive behaviors of composites with interface debonding: The extended Mori-Tanaka method for uniaxial tension

Henry Tan, Young Huang, Cheng Liu, Guruswami Ravichandran, Glaucio H. Paulino

Research output: Contribution to journalArticlepeer-review

28 Scopus citations

Abstract

Debonding of particle/matrix interfaces can significantly affect the macroscopic behavior of composite materials. We have used a nonlinear cohesive law for particle/matrix interfaces to study the effect of interface debonding on the macroscopic behavior of particle-reinforced composite materials subject to uniaxial tension. The Mori-Tanaka method, which is suitable for composites with high particle volume fraction, is extended to account for interface debonding. At a fixed particle volume fraction, small particles lead to the hardening behavior of the composite while large particles yield softening. The interface sliding may contribute significantly to the macroscopic behavior of the composite.

Original languageEnglish (US)
Pages (from-to)139-148
Number of pages10
JournalInternational Journal of Fracture
Volume146
Issue number3
DOIs
StatePublished - Aug 2007
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Computational Mechanics
  • Modeling and Simulation
  • Mechanics of Materials

Keywords

  • Cohesive law
  • Composites
  • Interface debonding
  • Mori-Tanaka method
  • Size effect

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