GATE MT 2024 MT Q24: Dislocation theory

The figure shows a dislocation loop (shown by the solid circle), whose Burgers vector is

(shown by the horizontal arrow inside the dislocation loop). Identify the nature of the dislocation segment at locations p, q and r.

The dash-dot lines show the horizontal and vertical diameters of the loop, and the arrow along the dislocation loop indicates the line vector.

Your answerChoose one option.

p: pure edge, q: mixed, r: pure screw

p: pure edge, q: pure screw, r: pure edge

p: pure screw, q: mixed, r: pure screw

p: pure screw, q: pure edge, r: pure screw

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