Figure 1

Local atomic distributions of β-Ti, ω-Ti, α-Ti, α2-Ti3Al, O-Ti2AlNb, γ-TiAl, and B2-Ti(Al,Nb) phases in the close-packed [110], [11\(\bar{2}\) 0], [0001], [0001], [001], [111] and [110] projections, respectively, as well as their orientation relationships among these phases. The small atom symbols denote the atomic positions c/2 below the large ones. The lengths in Å of AB, AC, BC, and the rectangle sides are also shown between the two adjacent atoms. The ‘L T’ and ‘H T’ are abbreviated words of low and high temperature, respectively.