Dislocation is .....
line defect
point defect
3D defect
Slip is the mechanism for macroscopic plastic elastic( plastic, elastic ) deformation.
In edge dislocation, the Burgers vector is parallel to the line direction.
In positive screw dislocation , the Burgers vector is parallel to the line direction. In negative screw dislocation , the Burgers vector is anti-parallel to the line direction.
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