where b is the Burgers vector and D is the inter-dislocation spacing. · For the tilt boundary shown, the dislocations are straight edge type. For a pure twist boundary, an array of screw dislocations ...

This size is known as the Burgers vector, b, of the dislocation and is shown in blue on the diagram. The Line direction (red) of each dislocation is shown. For an Edge dislocation, the Burgers vector ...