Yu. H. Kvasnytska, L. M. Ivaskevych, A. I. Balitskii, H. P. Mialnitsa, K. H. Kvasnytska
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Evaluation of the Endurance Limit of Cooled Blades of Gas-Turbine Engines Made of Heat-Resistant Nickel Alloy
The characteristics of fatigue failure of the working blades of the first stage of the high-pressure turbine of the power gas-turbine engine were determined. Experimental studies were carried out on blades obtained according to the improved technology from the CM88Y alloy, which is used in the serial production of gas-turbine units. The blades withstood the test base of 1×107 cycles at a stress of 200–240 MPa. The established endurance limit corresponded to the given service life of blades of this type.
期刊介绍：
Materials Science reports on current research into such problems as cracking, fatigue and fracture, especially in active environments as well as corrosion and anticorrosion protection of structural metallic and polymer materials, and the development of new materials.
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