Peierls-Nabarro stress, lattice friction stress
shear stress per unit length of a dislocation, necessary for its glide through a perfect lattice over a certain slip plane and in a particular slip direction (see: dislocation, slip plane, slip direction), nihkepinge, mis on käivitab dislokatsiooni libisemise ideaalse kristalli kindlal libisemistasandil ja -suunas (vt dislokatsioon, libisemistasand, libisemissuund)
