A unified energy approach to a class of micromechanics models for composite materials

Y. Huang*, K. C. Hwang, K. X. Hu, A. Chandra

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

38 Scopus citations


Several micromechanics models for the determination of composite moduli are investigated in this paper, including the dilute solution, self-consistent method, generalized self-consistent method, and Mori-Tanaka's method. These micromechanical models have been developed by following quite different approaches and physical interpretations. It is shown that all the micromechanics models share a common ground, the generalized Budiansky's energy-equivalence framework. The difference among the various models is shown to be the way in which the average strain of the inclusion phase is evaluated. As a bonus of this theoretical development, the asymmetry suffered in Mori-Tanaka's method can be circumvented and the applicability of the generalized self-consistent method can be extended to materials containing microcracks, multiphase inclusions, non-spherical inclusions, or non-cylindrical inclusions. The relevance to the differential method, double-inclusion model, and Hashin-Shtrikman bounds is also discussed. The application of these micromechanics models to particulate-reinforced composites and microcracked solids is reviewed and some new results are presented.

Original languageEnglish (US)
Pages (from-to)59-75
Number of pages17
JournalActa Mechanica Sinica
Issue number1
StatePublished - Feb 1 1995


  • Mori-Tanaka's method
  • dilute solution
  • energy-equivalence framework
  • generalized self-consistent method
  • micromechanics models
  • self-consistent method

ASJC Scopus subject areas

  • Computational Mechanics
  • Mechanical Engineering

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