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Due to the high stacking fault energy (SFE) of pure aluminum (Al) and the prediction that trailing partial dislocations are energetically favored over twinning partials, it is believed that twinning normally does not happen in Al, except at crack tips. Using molecular dynamics simulations, we demonstrate deformation twinning in single crystal Al where a shear strain is applied parallel to (111) and...
The twin boundary (TB) interfacial structure and the configuration of zonal twinning dislocations for {101¯1}〈101¯2¯〉 twin growth in magnesium have been investigated by using molecular dynamics simulations and transmission electron microscopy (TEM). The simulation results show that twin growth is initially dominated by the motion of existing TB steps. After these steps, the twin growth is mediated...
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