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Fig. 2 | Materials Theory

Fig. 2

From: Sweep-tracing algorithm: in silico slip crystallography and tension-compression asymmetry in BCC metals

Fig. 2

Crystallographic directions and planes relevant for the motion of \(\frac {1}{2}[111]\) dislocations. The \(\frac {1}{2}[111]\) zonal vector is pointing out towards the viewer. The arrows show directions of the Peach-Koehler (PK) force acting on a right-hand screw \(\frac {1}{2}[111]\) dislocation under compression (Fcomp) and tension (Ftens) along the [001] axis. In both cases the PK force is parallel to the vertical \((11\bar {2}\)) slip plane, referred to as the maximum resolved shear stress plane (MRSSP)

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