Fig.9-5 Migration of screw dislocations due to iron crystal slip
(a) Schematic of a screw dislocation (
line) and the slip in iron crystals. Here, the screw dislocations proceed in the direction of the blue arrow at low temperatures; however, as the temperature increases, the direction of travel changes as shown by the red arrow, causing slip-plane transition.
(b) Temporal developments in the location of screw dislocations at low and room temperatures obtained from the atomistic simulations, reproducing the slip-plane transition observed in the experiments.
line) and the slip in iron crystals. Here, the screw dislocations proceed in the direction of the blue arrow at low temperatures; however, as the temperature increases, the direction of travel changes as shown by the red arrow, causing slip-plane transition. (b) Temporal developments in the location of screw dislocations at low and room temperatures obtained from the atomistic simulations, reproducing the slip-plane transition observed in the experiments.
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