Crack propagation at and near bimaterial interfaces: Linear Analysis

P. H. Geubelle, W. G. Knauss

Research output: Contribution to journalArticlepeer-review


The problem of the growth of a crack located at the interface between two linearly elastic solids is considered when conditions promoting propagation along and/or away from the interface prevail. Both a stress and a maximum energy release rate criterion are examined. It is found that in contrast to the corresponding problem for crack growth in homogeneous solids, no unique propagation direction results when continuum considerations prevail alone. Uniqueness is established only upon invoking a presumably material dictated minimum crack extension size. The result for this linearized analysis are compared with experimental observations on kink fracture involving two elastomers of small strain capabilities.

Original languageEnglish (US)
Pages (from-to)560-566
Number of pages7
JournalJournal of Applied Mechanics, Transactions ASME
Issue number3
StatePublished - Sep 1994
Externally publishedYes

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering


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