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Abstract

Deformation within a crystal lattice is governed principally by the presence of dislocations, which are two-dimensional defects in the lattice structure. Slip from shear stress is the most common deformation mechanism within crystalline lattices of metallic materials, although deformation of crystal lattices can also occur by other processes such as twinning and, in special circumstances, by the migration of vacant lattice sites. This appendix describes the notation used to specify lattice planes and directions and discusses the mechanisms of slip and twinning as well as the effect of stacking faults.

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Lattice Structure and Deformation Mechanisms in Metallic Single Crystals, Mechanics and Mechanisms of Fracture: An Introduction, By Alan F. Liu, ASM International, 2005, p 357–372, https://doi.org/10.31399/asm.tb.mmfi.t69540357

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