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“Conjugate Channeling” Effect in Dislocation Core Diffusion: Carbon Transport in Dislocated BCC Iron

Figure 5

Geometries of (a) curved dislocation core, (b) screw dislocation core, and (c) 71° mixed dislocation core along .

Blue and green dots indicate the atoms on th and +1th planes, respectively. Black lines are the eye guides for the dislocation cores. Red dashed lines indicate the conjugate diffusion avenue along in the dislocation core, a channel as wide as possible ( is one of the two widest avenues on a plane) and as tall as possible (a full interplanar spacing) in a BCC crystal.

Figure 5