The interaction of a screw dislocation with an inclusion of arbitrary shape was analyzed on the basis of the Eshelby equivalent inclusion theory. A universal solution was obtained for determining the force on the dislocation, from which a set of simple approximate formulas was also derived.
The Interaction of a Screw Dislocation with Inclusion Analyzed by Eshelby Equivalent Inclusion Method. Z.Li, J.Shi: Scripta Materialia, 2002, 47[6], 371-5