Interface crack and nonideal interface concept (Mode III)

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Asymptotic behaviour of displacements and stresses in a vicinity of the interface crack tip situated on a nonideal interface between two different elastic materials is investigated. The nonideal interface is described by special transmission conditions along the material bonding. The corresponding modelling boundary value problem is reduced to a singular integral equation with fixed point singularities. It is shown from the solution to the problem that asymptotic behaviour of displacement and stresses near the crack tip essentially depends on the model parameters. Some numerical examples are presented and discussed with respect to the stress singularity exponent and the generalized stress intensity factors.

Original languageEnglish
Pages (from-to)279-296
Number of pages18
JournalInternational Journal of Fracture
Issue number3
Publication statusPublished - 28 Feb 2001


  • Asymptotic expansion
  • Imperfect bonding
  • Interface crack
  • Nonideal interface
  • Singular integral equation
  • Stress singularity.


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