The dislocation can move through process known as slip when the energy reaches critical rate O sufficiently shear stress acting parallel to dislocation line O sufficiently shear stress acting parallel to Burger vector O sufficiently shear stress acting perpendicular to slip plane O

The dislocation can move through process known as slip when the energy reaches critical rate O sufficiently shear stress acting parallel to dislocation line O sufficiently shear stress acting parallel to Burger vector O sufficiently shear stress acting perpendicular to slip plane O