Fatigue Failure Criteria for Fluctuating Stress (Soderberg, ASME-elliptic, Goodman, Gerber), Torsional Fatigue Loading, Combination of Loading Modes.
Textbook: Shigley's Mechanical Engineering Design, 10th Ed. (SI Edition)
Lecture notes are available here: https://sites.google.com/view/alahijazi/classes/machine-design