Fatigue: Endurance Limit, Modifying Factors, Mean and Alternating Stress & the Goodman Line
This lesson is part of the course
In this lesson
You correct a fictional endurance limit with surface, size and reliability factors from lookup tables, split four load cycles into mean and alternating stress, calculate their Goodman factors and draw the Goodman line.
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Lessons in this course
- Stress Transformation & Mohr's Circle: Principal Stresses, Maximum Shear and the Principal AngleFree
- Combined Loads in a Shaft: Bending and Torsion Stress, Von Mises Stress & the Yield Factor Locked
- Fatigue: Endurance Limit, Modifying Factors, Mean and Alternating Stress & the Goodman Line Locked
- Shaft Sizing: Fatigue and Yield Requirements, Minimum Diameters & the Smallest Standard Size Locked
- Rolling Bearings: Equivalent Load, X/Y Factors, L10 Life in Revolutions and Hours & Bearing Selection Locked
- Gears & Power Transmission: Ratios, Speed, Torque, Tooth Forces and Two-Stage Efficiency Locked
- Springs & Bolted Joints: Spring Rate, Spring Index and Stress, Bolt Preload, Joint Stiffness & Separation Load Locked
- Capstone – Drive-Train Check: All Factors in One Table, the Weakest Element & the Cheapest Upgrade Locked