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Dislocation is a defect in the crystal structure of a material, where the regular arrangement of atoms is disrupted. It is a common phenomenon in crystalline solids and plays a crucial role in their mechanical properties. Dislocations can be classified into two main types: edge dislocations and screw dislocations. Edge dislocations occur when an extra half-plane of atoms is inserted into the crystal structure, while screw dislocations occur when the crystal is twisted along a specific plane.
Dislocations can move through the crystal lattice under the influence of an applied stress, a process known
Dislocations can also interact with each other, leading to various phenomena such as dislocation multiplication, annihilation,
The study of dislocations is essential in materials science and engineering, as it provides insights into the