Constitutive behaviors of composites with interface debonding: the extended Mori–Tanaka method for uniaxial tension

Henry Tan* (Corresponding Author), Young Huang, Cheng Liu, Guruswami Ravichandran, Glaucio H. Paulino

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

28 Citations (Scopus)

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
Pages (from-to)139-148
Number of pages10
JournalInternational Journal of Fracture
Volume146
Issue number3
DOIs
Publication statusPublished - 1 Aug 2007

Keywords

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

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