fatigue of material part i - science initiative group 9 - fatigue of materials.pdf · fatigue of...
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Fatigue of Material
Part I
Lecture 6
Fatigue of Materials
Fatigue of
Material
Fatigue Mechanisms
Characterization of Fatigue
Characterization of Fatigue
The Driving Force for Fatigue
The Factors that Affect Fatigue Life
Measurement of Stress-Life Behavior
The Stages of Fatigue Damage in Materials
The Fracture Mechanics Approach to Fatigue
The Fracture Mechanics Approach to Fatigue
∆K = Kmax – Kmin ∆K = Y ∆σ√(πa) = Y(σmax – σmin)√(πa)
Relationships Between Crack Growth
Rates and Crack Driving Forces
Relationships Between
Crack Growth Rates and
Crack Driving Forces
Life Prediction within a Fracture
Mechanics Framework
Propagation of Failure
Propagation of Failure
Mechanisms of Fatigue Crack Grwoth
Mechanisms of Fatigue Crack GrowthIn Regimes ABC
Crack Growth From
Posteromedial Corner
Fatigue Striations on
Surface of Lateral Crack
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