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Fatigue of Material

Part I

Lecture 6

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Fatigue of Materials

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Fatigue of

Material

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Fatigue Mechanisms

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Characterization of Fatigue

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Characterization of Fatigue

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The Driving Force for Fatigue

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The Factors that Affect Fatigue Life

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Measurement of Stress-Life Behavior

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The Stages of Fatigue Damage in Materials

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The Fracture Mechanics Approach to Fatigue

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C G

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Relationships Between Crack Growth

Rates and Crack Driving Forces

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Relationships Between

Crack Growth Rates and

Crack Driving Forces

Lif P di ti ithi F t

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Life Prediction within a Fracture

Mechanics Framework

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Propagation of Failure

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Propagation of Failure

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Mechanisms of Fatigue Crack Grwoth

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Mechanisms of Fatigue Crack GrowthIn Regimes ABC

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Crack Growth From

Posteromedial Corner

Fatigue Striations on

Surface of Lateral Crack