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Chapter 6Image Slides

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6-1 Fatigue Failure

6-2 Fatigue Fracture Surfaces 6-3 Drive Shaft fracture

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6-4 Pin Fracture at Grease Hole 6-5 Fatigue Failure of Forged Connecting Rod

6-6 Piston Rod Fracture 6-8 Aluminum Landing Gear Failure at Grease Fitting

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6-9 & 10 Test Specimen and Results 6-11 S–N Bands

6-12 True Stress-Strain Hysteresis 6-13 Log-Log Plot of Fatigue Life

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6-14 Increase in Crack Length vr Cycle Count 6-15 Log –Log Plot of da/dN

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6-17 Endurance limit vr tensile strengths

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6-18 Fatigue Strength fractionbud21932_ta0602.jpg

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6-19 Failure of Case Hardened part in bending or torsion

6-20 Notch-sensitivity for steel 6-21 Notch Sensitivity for matls with reversed torsion

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6-23 Stress-time relations 6-24 Modified Goodman Diagram

6-25 Midrange Fatigue Failures 6-26 Master Fatigue Chart

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6-17 Fatigue Diagram of Failure Criteriabud21932_ta0606.jpg

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