Structural and Mechanical Properties of the Nickel Alloy of Gas-Turbine Engine Blades

We analyze the influence of structure on the physicomechanical properties of a refractory corrosionresistant alloy doped with rhenium and tantalum (4.07 and 2.62 wt.%, respectively). As a result of optimization of the conditions of heat treatment, we obtain a homogeneous dispersed microstructure wit...

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Bibliographic Details
Published in:Materials science (New York, N.Y.) N.Y.), 2022-03, Vol.57 (5), p.688-694
Main Authors: Kvasnytska, Y. H., Ivaskevich, L. M., Balitskii, A. I., Kvasnytska, K. H., Mialnitsa, H. P.
Format: Article
Language:English
Subjects:
Analysis
Characterization and Evaluation of Materials
Chemistry and Materials Science
Corrosion resistant alloys
Gas turbine engines
Gas-turbines
Heat resistant alloys
Heat treatment
Materials Science
Mechanical properties
Nickel alloys
Nickel base alloys
Optimization
Refractory alloys
Rhenium
Solid Mechanics
Solid solutions
Specialty metals industry
Structural Materials
Tantalum
Turbine blades
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Summary:We analyze the influence of structure on the physicomechanical properties of a refractory corrosionresistant alloy doped with rhenium and tantalum (4.07 and 2.62 wt.%, respectively). As a result of optimization of the conditions of heat treatment, we obtain a homogeneous dispersed microstructure with complete dissolution of the γ -γ ′-eutectic and a high volume fraction of the hardening γ ′-phase in the matrix of solid solution of the γ -phase. It is experimentally established that the physicomechanical properties and long-term strength of the new alloy meet the operational requirements to turbine blades of gas-turbine engines for energy purposes.
ISSN:1068-820X
1573-885X
DOI:10.1007/s11003-022-00596-9