Average elastic-plastic behavior of composite materials

S. C. Lin, C. C. Yang, T. Mura, T. Iwakuma

Research output: Contribution to journalArticlepeer-review

32 Citations (Scopus)

Abstract

A new approach to estimate the overall behavior of an inhomogeneous body is applied to investigate the average elastic-plastic state of composite materials in small deformation. The method is based on the concept of the average field of an infinite body with inhomogeneities, which is replaced by an equivalent body with homogeneous inclusions having appropriate eigenstrains that are composed of the actual plastic misfit strains and the properly determined eigenstrains by the equivalent replacement of the inhomogeneities. A simple example is given for a pure shear state of the elastic-perfectly plastic composite materials with spherical inhomogeneities. The overall hardening rate, quantitative estimate of ductility improvement, and unloading behavior are discussed.

Original languageEnglish
Pages (from-to)1859-1872
Number of pages14
JournalInternational Journal of Solids and Structures
Volume29
Issue number14-15
DOIs
Publication statusPublished - 1992

ASJC Scopus subject areas

  • Modelling and Simulation
  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Applied Mathematics

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