Feature Based Fatigue Characterization for Powder Bed Fusion, Small Scale Propulsion Components - (PPT)

摘要

Vibration bending vs. axial stress produce different fatigue results: - Bending data had larger scatter; - Important because axial data is normally accepted for design. New fatigue test development: - Frequency and stress addressed with ultrasonic bending; - Stress and thickness address with free-free vibration.