toimumisviis, mille kohaselt plastne deformatsioon on tingitud nihkest/libisemisest aatomtasandite vahel, libisemistasanditel (vt libisemine kristallis, libisemistasand), mechanism of plastic deformation in metals involving sliding in crystals when blocks of crystal slip over one other along definite crystallographic planes - slip planes (see: slip, slip plane)
