Answer / Shalini Pathak

Dislocation theory is a fundamental concept in metallurgy and solid-state physics that explains the plastic deformation of crystalline solids. It posits that the flow of material occurs through the movement of defects called dislocations within the crystal lattice. These dislocations act as 'kinks' or lines of stress that allow for the sliding of adjacent planes of atoms, thereby deforming the material.

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