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

被引：0
|
作者：
Y. H. Kvasnytska
L. M. Ivaskevich
A. I. Balitskii
K. H. Kvasnytska
H. P. Mialnitsa
机构：
[1] National Academy of Sciences of Ukraine,Physicotechnological Institute of Metals and Alloys
[2] National Academy of Sciences of Ukraine,Karpenko Physicomechanical Institute
[3] West Pomeranian University of Technology,“Zorya–Mashproekt” DP
[4] Gas-Turbine Scientific Production Complex,undefined
来源：
Materials Science | 2022年 / 57卷
关键词：
refractory corrosion-resistant nickel alloy; heat treatment; turbine blade; long-term strength;
D O I：
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中图分类号：
学科分类号：
摘要：
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.
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页码：688 / 694
页数：6
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