𝜶^″ Martensitic Twinning in Alpha + Beta Ti-3.5Al-4.5Mo Titanium Alloy

Figure 2

The schematic Au-Cd-type lattice phase transformation. Cubic β phase (left) with a_β lattice parameter transforms to 𝛼^′′ martensite (right) with 𝑎₀, 𝑏₀, and 𝑐₀ lattice parameters.