Turbine discs are critical rotating parts of aircraft turbofan jet engines and are manufactured as separate units. In order for production acceptance of the forging technique used to manufacture turbine discs, a large amount of testing is conducted. This testing completed on raw materials and finished products includes a series of tensile and Low Cycle Fatigue (LCF) specimen testing. Based on the test data, this proposed research aims to determine a relationship between tensile properties and LCF life. This research will also explore modern analytical tools such as surrogate models in efforts to construct predictive tools to effectively and reliably reduce the amount of testing required on critical rotating parts.
Pratt & Whitney Canada
Automotive and transportation
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