DoITPoMS TLP - Introduction to dislocations - Dislocations in 3D. There are two types of three-dimensional dislocation.
An edge dislocation has its Burgers vector perpendicular to the dislocation line. Edge dislocations are easiest to visualise as an extra half-plane of atoms. Pythagorean Theorem, Euclid's Proof I.47. Plastipedia: The Plastics Encyclopedia - Plastipedia - The Web's Largest Plastics Encyclopedia.