Figure 1
From: Martensitic transformation of Ti50(Ni50−xCux) and Ni50(Ti50−xZrx) shape-memory alloys
Schematic diagram of the 2 × 2 × 3 supercell model of austenite and martensite phase of NiTi alloy: (a) B2, (b) B19 and (c) B19′. Smaller blue spheres are Ni atoms; larger gray spheres are Ti atoms.
