Imperfections in Solids - Interfacial Defects - Twin Boundaries

4 important questions on Imperfections in Solids - Interfacial Defects - Twin Boundaries

What is a twin boundary?

A special type of grain boundary across which there is a specific mirror lattice symmetry.

What is the region of material between a twin boundary called?

Twin

What are mechanical twins?

Atomic displacements that are produced from applied mechanical shear forces.
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What are annealing twins?

Atomic displacements that are produced during annealing heat treatments following deformation.

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