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· For the Screw dislocation, the Burgers vector and the Line vector are parallel.
· A straight screw dislocation creates a helical configuration for the planes normal to the dislocation line. The position of atoms in the core region is also illustrated.
· The screw dislocation can slip (glide) on those planes of the crystal that contain both b and t. The slip plane of a screw dislocation is, therefore, less well defined than that of an edge dislocation.
· The plane indicated in red is just one of the possible slip planes.
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