Chapter 1 Introduction 1.1 Mechanical Failure Modes 1.1.1 Excessive deformation 1.1.2 Ductile fracture 1.1.3 Brittle fracture 1.1.4 Thermal shock 1.1.5 Creep 1.1.6 Relaxation 1.1.7 Wear 1.1.8 Buckling 1.1.9 Corrosion 1.1.10 Stress corrosion cracking 1.1.11 Fatigue failure 1.2 Importance of fatigue 1.3 History overview of fatigue 1.4 Summary Problems References Chapter 2 Fatigue design method 2.1 Fatigue design method 2.1.1 Equipment design 2.1.2 Model design 2.1.3 Product design 2.1.4 Design to standard 2.2 Life prediction model 2.2.1 Stress-life model 2.2.2 Strain life model 2.2.3 Fatigue crack growth model 2.2.4 Two stage model 2.3 Fatigue design criteria 2.3.1 Infinite life design 2.3.2 Safety life design 2.3.3 Failure safety design 2.3.4 Damage tolerance design 2.4 Testing and analysis 2.4.1 Analysis and testing 2.4.2 CAE and digital prototype 2.4.3 Service inspection 2.5 Statistics and reliability 2.5.1 Definition of statistics and reliability 2.5.2 Reliability design concept 2.5.3 Main contents of reliability design 2.5.4 Methods and steps of reliability design 2.5.5 Statistical basis of reliability design 2.6 Summary Problems References Chapter 3 Fatigue failure mechanisms 3.1 Macroscopic characteristics of fatigue failure 3.1.1 Macroscopic morphology of fatigue fracture surface