Fatigue, S-N Curves

• Definitions:
  • Fatigue, Failure, Fatigue Life, Fatigue Strength, Fatigue Loading (Cyclic Loading, Amplitude Loading)(link to images Figs 8.1 and 8.2 from MSE 3364 Lab Manual), Fatigue Life Curves (link to image Fig. 8.3 MSE 3364 Lab Manual), Variable Amplitude Loading, Fatigue Crack Growth, Fatigue Crack Growth Rate, Cyclic Loading, Strain Life Curve (link to image Fig 10.4 MSE 3364 Lab Manual), Hysteresis Loop . . . (open ended)
• Background:
  • Causes and Recognition of Fatigue Failures
    • General Causes of Material Failures
    • Recognition
    • Other Design Considerations
  • Influence of Processing and Metallurgical Factors on Fatigue
    • Processing Factors
    • Metallurgical Factors
• Experimental Analysis of Fatigue
  • Fatigue Life Curves
    • Example Experiment that may be Performed at Home
    • Sample Results from the Experiment (including S-N Curves)
  • Fatigue Crack Growth
    • Summary of Experiment
    • Movie of Fatigue Crack Growth (if possible)
  • Low Cycle Fatigue
    • Summary of Experiment
• Real Life - Design and Manufacturing Considerations
  • Recommendations for Designs to Avoid Fatigue Failures
  • Fatigue Considerations in Helicopter Design and Service
• HTML - What I Will Need
  • One Page for Definitions, Background, Real Life, and possibly a Summary
  • At Least One Page for Experiments (Pref. 3)
  • Links to Images and Dictionary
• Visualization
  • 15+ Images, may be adjusted to a limit or increased
  • Possibly a clickable map for contents
  • I will look for a movie, otherwise there will only be pictures