Low High FORMULA SHEET: Fatigue, Fracture Damage tolerant 1.0 1.15 Mechanics Safe life 1.15 1.35 Structural Mechanics Fatigue: Machined Components Endurance limit estimates: Steel Cast Iron + Cast Steels: Stress concentrations Temperature: Grinding & TIG dressing: Mean stress: Effective stress range: Steel: Modifying factors Aluminium: Size: Peening: Effective stress range: Load: Temperature: Fracture Mechanics Universal equation: Reliability: Plastic collapse: Fracture: Fatigue: Large scale manufactured components Stress concentration factors: Centre cracked plate: Partial factor for fatigue: Single edge crack: Assessment Consequence of failure
FORMULA SHEET: Fatigue, Fracture Mechanics Structural Mechanics Fatigue: Machined Components Endurance limit estimates: Steel Cast Iron + Cast Steels: Stress concentrations Mean stress: Modifying factors Size: Load: Temperature: Reliability: Fatigue: Large scale manufactured components Partial factor for fatigue: Assessment Consequence of failure Low High Damage tolerant 1.0 1.15 Safe life 1.15 1.35 Temperature: Grinding & TIG dressing: Effective stress range: Steel: Aluminium: Peening: Effective stress range: Fracture Mechanics Universal equation: Plastic collapse: Fracture: Stress concentration factors: Centre cracked plate: Single edge crack: