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Corrosion and Fatigue

thread338-6055

Corrosion and Fatigue

Corrosion and Fatigue

(OP)
How can corrosion damage , localised pitting upto 1 mm depth in steel of say 400 N/mm , be quantified in detrimental terms to fatigue endurance stress

RE: Corrosion and Fatigue

Any surface breaking discontinuity can reduce the fatigue life of the material as it will tend to concentrate stresses locally and may therefore exceede the fatigue limit of the material. This will of course depend on the loading conditions and the sentitivity of the material to cracking.

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