FIELD: metallurgy.
SUBSTANCE: composite niobium-based alloy, using for forming of 3d-products of complex shapes and the thermal barrier coatings contains wt %: zirconium: 1.36-2.04, vanadium: 2.64-3.96, indium: 1.0-1.6, cerium: 0.3-0.6, yttrium: 0.3-0.6, lanthanum: 0.3-0.6, tungsten carbide: 3.0-5.0, niobium - others. The alloy is obtained by introducing vanadium and zirconium in the form of intermetallic V2Zr in the amount of 4-6 wt %: indium - in the form of intermetallide InNb3 in the amount of 5.0-8.0 wt %, and tungsten carbide has fraction of 30-100 nm.
EFFECT: the alloy is characterized by high microhardness, which provides high durability in a wide temperature range, in particular from positive to negative temperatures.
2 cl, 1 tbl, 2 ex
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