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The influence of the conditions of air shot hardening on the surface quality and the fatigue resistance of blisk blades made of a high-temperature VT41 titanium alloy is studied. Flat… Click to show full abstract
The influence of the conditions of air shot hardening on the surface quality and the fatigue resistance of blisk blades made of a high-temperature VT41 titanium alloy is studied. Flat VT41 alloy samples are analyzed to determine the optimum conditions of hardening to introduce them into the process of production of welded blisks for a high-pressure compressor (HPC) in an advanced engine. The required quality parameters of the surface layers in the samples and blades after hardening, namely, residual stresses, the degree and depth of hardening, microstructural characteristics, surface roughness, are achieved.
Journal Title: Russian Metallurgy (Metally)
Year Published: 2019
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