Molecular Dynamics Modeling of the Effect of Nanotwins on the Superelasticity of Single-Crystalline NiTi Alloys

Figure 4

Atomic structures of (a) the initial B2 phase and (b) the transformed B19′ phase including (001) compound twin boundaries. Ni and Ti atoms are represented by blue and red, respectively. Note that the twinning direction and twinning plane (010) are showed by the coordinate of B2 phase.

(a)

(b)