Thomas Tallerico is a Research Mechanical Engineer at NASA Glenn Research Center, Cleveland Ohio. He conducts fundamental research on advanced drivetrains for aerospace applications including research on mechanical gears, magnetic gears, and electric motors.
In this paper, ultrasonic fatigue testing results for “core hardened” AMS 6308 gear steel are presented. AMS 6308 is a gear and bearing steel with high tempering resistance and high hot hardness case targeted to high temperature applications
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