20 Budynas-Nisbett:Shigley's ll.Failure Prevention 6.Fatigue Failure Resulting ©The McGraw-Hfl Mechanical Engineering from Variable Loading Companies,2008 Design,Eighth Edition Fatigue Failure Resulting from Variable Loading Chapter Outline 6-1 Introduction to Fatigue in Metals 258 6-2 Approach to Fatigue Failure in Analysis and Design 264 6-3 Fatigue-Life Methods 265 6-4 The Stress-Life Method 265 6-5 The Strain-Life Method 268 6-6 The Linear-Elastic Fracture Mechanics Method 270 6-7 The Endurance Limit 274 6-8 Fatigue Strength 275 6-9 Endurance Limit Modifying Factors 278 6-10 Stress Concentration and Notch Sensitivity 287 6-11 Characterizing Fluctuating Stresses 292 6-12 Fatigue Failure Criteria for Fluctuating Stress 295 6-13 Torsional Fatigue Strength under Fluctuating Stresses 309 6-14 Combinations of Loading Modes 309 6-15 Varying,Fluctuating Stresses;Cumulative Fatigue Damage 313 6-16 Surface Fatigue Strength 319 6-17 Stochastic Analysis 322 6-18 Road Maps and Important Design Equations for the Stress-Life Method 336 257Budynas−Nisbett: Shigley’s Mechanical Engineering Design, Eighth Edition II. Failure Prevention 6. Fatigue Failure Resulting from Variable Loading 260 © The McGraw−Hill Companies, 2008 6Fatigue Failure Resulting from Variable Loading Chapter Outline 6–1 Introduction to Fatigue in Metals 258 6–2 Approach to Fatigue Failure in Analysis and Design 264 6–3 Fatigue-Life Methods 265 6–4 The Stress-Life Method 265 6–5 The Strain-Life Method 268 6–6 The Linear-Elastic Fracture Mechanics Method 270 6–7 The Endurance Limit 274 6–8 Fatigue Strength 275 6–9 Endurance Limit Modifying Factors 278 6–10 Stress Concentration and Notch Sensitivity 287 6–11 Characterizing Fluctuating Stresses 292 6–12 Fatigue Failure Criteria for Fluctuating Stress 295 6–13 Torsional Fatigue Strength under Fluctuating Stresses 309 6–14 Combinations of Loading Modes 309 6–15 Varying, Fluctuating Stresses; Cumulative Fatigue Damage 313 6–16 Surface Fatigue Strength 319 6–17 Stochastic Analysis 322 6–18 Road Maps and Important Design Equations for the Stress-Life Method 336 257