J-integral analysis of the interaction between an interface crack and parallel subinterface cracks in dissimilar anisotropic materials

Wen Ye Tian, Kam Tim Chau, Yi Heng Chen

Research output: Journal article publicationJournal articleAcademic researchpeer-review

6 Citations (Scopus)

Abstract

The J-integral analysis is presented for the interaction problem between a macro-interface crack and subinterface microcracks parallel to the former in the near-tip process zone in dissimilar anisotropic composite materials. Elementary solutions respectively considering an interface crack and a subinterface crack subjected to different loads are given from which the interaction problem is deduced to a system of integral equations with the aid of superimposing technique (i.e., the so called 'Pscudo-Traction Method' abbreviated as PTM). After the integral equations are solved numerically, a consistent relation among three kinds of the J-integral values is obtained. They are induced from the macro-interface crack tip, the microcracks, and the remote field, respectively. This consistent relation of the J-integral can be used to confirm the numerical results derived by using whatever kind of technique. With the aid of J-integral analysis, the interaction behaviors between an interface crack and parallel subinterface cracks are investigated in detail, and some special physical phenomena are obtained.
Original languageEnglish
Article number334641
Pages (from-to)305-325
Number of pages21
JournalInternational Journal of Fracture
Volume111
Issue number4
DOIs
Publication statusPublished - 1 Jan 2001

Keywords

  • Dissimilar anisotropic materials
  • Interaction
  • Interface crack
  • J-integral

ASJC Scopus subject areas

  • Computational Mechanics
  • Modelling and Simulation
  • Mechanics of Materials

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