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Inclusions and Service Induced Cracks in a Mature Population of Gas Turbine Engine Bearings
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Comprehensive NDE data have been acquired on approximately 1000 main shaft ball bearings used in J57/TF33 gas turbine engines by processing through the Automated Bearing Inspection System, Mark ...
Correlations Between Advanced Nondestructive Evaluation Methods and Fracture Mechanics Parameters
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Investigations were conducted on surface entering fatigue cracks, 0.13 to 1.27 mm (0.005 to 0.05 in.) long, in rod-type tensile specimens of HY 180 and AISI 4340 steels using surface wave ...