Quasi-Static propagation of subinterfacial cracks

H. Lee, S. Krishnaswamy*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

16 Scopus citations


The problem of quasi-static crack propagation in a three-point bend specimen containingan initial crack that is parallel to and offset from a bimaterial interface is considered. Anapproximate dislocation-based fracture model is used to identify conditions under whichsuch cracks are attracted to or repelled by the interface. Possible configurations(material/geometry) where such subinterfacial cracks experience pure mode I conditionsare determined Experimental results are presented showing quasi-static crack propaga-tion of subinterfaciai cracks for three regimes: (attractive) into the interface; (repulsive)away from the interface; as well as (equilibrium) parallel to the interface.

Original languageEnglish (US)
Pages (from-to)444-452
Number of pages9
JournalJournal of Applied Mechanics, Transactions ASME
Issue number3
StatePublished - Sep 2000

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering


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