“…The I4/amd space group of the 0 phase is, however, the same as the TiAl 2 intermetallic compound [27,[60][61][62][63][64]. In the binary Ti-Al system, the TiAl 2 phase can take on two different crystal structures h-TiAl, and r-TiAl 2 depending on temperature [27] (see Figure 3.18).…”