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RISMaterial Property Studies of Two High-Pressure Turbine Rotors for Remaining Life Assessment
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A remaining life assessment study was performed on two no-bore HP rotors after 169,000 hours of operation. These rotors were manufactured from 1CrMoV (ASTM A470, Class 8) steel. Southwest ...
Temperature Estimation and Life Prediction of Turbine Blades Using Post-Service Oxidation Measurements
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The depth of internal oxidation and nitridation from the surface of the 16 cooling holes in a first-stage turbine blade was measured by optical microscopy after 32,000 hours of service. Maximum ...
Life Assessment of an HP-IP Rotor Under Creep Service Conditions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A CrMoV high and intermediate-pressure (HP-IP) rotor exhibited in-service cracking in the blade groove walls. Cracks initiated from a notch and propagated under creep conditions to a depth of ...