FIELD: metallurgy.
SUBSTANCE: invention relates to the field of metallurgy, in particular master TiAl-based alloys with a predominant phase of γ-TiAl, and can be used in the manufacture of components of aircraft gas turbine engines. The TiAl-based alloy contains at %: aluminium 44-47, niobium 5-8, chromium 1-3, zirconium 1-3, Ti - the rest. The total content of transition metals Nb, Cr and Zr is no more than 12 at %. The alloy has an ordered duplex structure (γ+α2)/γ/B2.
EFFECT: alloy is characterized by high mechanical characteristics.
1 dwg, 1 tbl
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