The diagram shows the effect of 'sliding' an Edge (a), Screw (b), or Mixed (c) dislocation completely across a slip plane in the crystal. Each dislocation has the same effect as it moves completely ...

Dislocation motion in a crystal is analogous to moving a rug over a floor by introducing a ruck on one edge. Pushing the ruck to the other edge moves the carpet by the width of the ruck. This process ...