Some arguments in favor of climb being the dominant mode of dislocation motion responsible for the plastic deformation of icosahedral quasicrystals were considered.

Dislocation Climb in Icosahedral Quasicrystals. D.Caillard, F.Mompiou, L.Bresson, D.Gratias: Scripta Materialia, 2003, 49[1], 11-7