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· The passage of a dislocation across a slip plane displaces the top and bottom halves of the crystal by the Burgers vector, b, no matter the dislocation type.
· The diagram illustrates the passage of edge (a), screw (b), and mixed (c) dislocations completely across a slip plane.
· The displacement of the material in the crystal is in the direction of the applied shear stress. The dislocation motion direction depends upon the dislocation type.
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From: Barrett, Nix, and Tetelman, The Principles of Engineering Materials, Prentice Hall (1973)
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