Elastic interaction between dislocations and a cavity embedded in a biaxially stressed solid

  • Jérôme Colin
Original Paper


The interaction between edge dislocations and a cylindrical circular cavity embedded in an infinite-size solid submitted to a biaxial stress has been studied from a theoretical point of view. In the case where a first dislocation has reached the cavity, a (meta)stable equilibrium position has been found for the second dislocation gliding from infinity in the same plane as the one of the first dislocation. The critical value of the stress for which the second dislocation also reaches the cavity has been determined. An equivalent study has then been performed for the following gliding dislocations. The possibility of formation from the cavity of another dislocation still in the same gliding plane but in the diametrically opposite part of the solid has finally been analyzed.


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© Springer-Verlag GmbH Austria, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Institut P’, Université de Poitiers, ENSMAFuturoscope-Chasseneuil cedexFrance
  2. 2.Dipartimento di Scienza dei MaterialiMilanItaly

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