Journal article Open Access

Diagnostics of Fatigue Damage of Gas Turbine Engine Blades by Acoustic Emission Method

A.Urbach; M. Banov; V. Turko; Y.Feshchuk

the work contains the results of complex investigation related to the evaluation of condition of working blades of gas turbine engines during fatigue tests by applying the acoustic emission method. It demonstrates the possibility of estimating the fatigue damage of blades in the process of factory tests. The acoustic emission criteria for detecting and testing the kinetics of fatigue crack distribution were detected. It also shows the high effectiveness of the method for non-destructive testing of condition of solid and cooled working blades for high-temperature gas turbine engines.

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