Type segmentation of the Titanium Aluminide Alloy market distinguishes four principal alloy families: γ‑TiAl (Gamma TiAl), α₂‑Ti₃Al (Alpha‑2), Duplex TiAl (γ + α₂) and TiAl‑based composites. The γ‑TiAl family, characterized by a high γ‑phase fraction, dominates the market because of its superior creep resistance and low density, making it the preferred material for high‑temperature turbine blades. Alpha‑2 alloys, with a greater α₂‑phase, deliver higher ductility at moderate temperatures and capture niche segments such as exhaust components. Duplex alloys combine the strengths of both phases, offering a balanced trade‑off between strength and formability, thus attracting manufacturers seeking cost‑effective replacements for nickel‑based superalloys. TiAl‑based composites, reinforced with ceramic fibers or particles, address emerging demands for ultra‑lightweight structures in aerospace and defense, albeit from a smaller volume base. Collectively, these sub‑types account for the overall market size, with γ‑TiAl contributing roughly 55 % of revenue, followed by Duplex (20 %), Alpha‑2 (15 %) and composites (10 %).