Fatigue striations

Microscopic parallel lines visible on a fatigue fracture surface under SEM, each corresponding to one loading cycle; spacing reflects the crack advance per cycle.

Explained in

Forensic Engineering: Failure Analysis and Fractography

Related terms

Beach marks Damage-tolerant design Ductile dimples Fractography MCAS Progressive collapse River patterns S-N curve Safe-life design Stress-concentration factor (Kt)Stress-corrosion cracking (SCC)

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