Nonlocal elasticity and dislocation image force due to cracks

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Original languageEnglish
Pages (from-to)16-22
Journal / PublicationArchive of Applied Mechanics
Issue number1
Publication statusPublished - Jan 2001


Fundamental field equations of nonlocal elasticity are presented. With these equations, the image force on a screw dislocation due to a crack is analyzed using the conformal mapping technique. Two cases are considered: one is for a finite-length crack, the other is for an infinite one. All classical singularities of the dislocation image force are eliminated when the dislocation tends to the crack tip. The maximum of the force is obtained at the crack tip.

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