It was demonstrated, using model examples, that the inclusion of interactions between pile-ups of grain-boundary dislocations (formed in the vicinity of grain-boundary triple-junctions) led to a several-fold increase in the capacity of the pile-ups.

On the Capacity of Grain Boundary Dislocation Pile-Ups. A.I.Pshenichnyuk: Physics of the Solid State, 2001, 43[12], 2247-9