FIELD: metallurgy.
SUBSTANCE: invention may be used in structures operated at up to 650°C, for example, parts of gas turbine engine high-pressure compressor housing and blades Proposed titanium-based alloy comprises the following components in wt %: Al - 5.7-6.7, Sn - 3.0-4.5, Zr - 3.0-4.5, Mo - 0.5-1.4, Nb - 0.2-0.6, W - 0.01-0.3, V - 0.3-0.9, Fe - 0.01-0.07, Si - 0.3-0.52, C - 0.03-0.10, O - 0.03-0.14, Ti making the rest. Note here that (V+Nb)≤1.1 wt %. Proposed alloy features higher strength at temperatures exceed 600°C.
EFFECT: higher operating temperatures of parts.
2 tbl, 5 ex
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