On the breaking of an embedded fibre in torsion

N. J. Freeman*, L. M. Keer

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


The torsion of an infinite elastic circular cylindrical fibre, containing a penny-shaped crack, and embedded in an infinite elastic matrix, is considered. Using integral transform techniques the problem is reduced to the solution of a Fredholm integral equation of the second kind, provided the fibre remains unbroken. A solution to the Fredholm integral equation is obtained by iteration, and by direct numerical methods. Curves of the bond stress for various ratios of the crack radius to the radius of the fibre, and for different values of the elastic constants, are also given. Stress singularities of a fractional order are noted when the fibre is broken.

Original languageEnglish (US)
Pages (from-to)1007-1017
Number of pages11
JournalInternational Journal of Engineering Science
Issue number10
StatePublished - Oct 1971

ASJC Scopus subject areas

  • Materials Science(all)
  • Engineering(all)
  • Mechanics of Materials
  • Mechanical Engineering


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