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|Title:||On the Effect of Plate Thickness on Post-Overload Fatigue Crack Growth|
|Citation:||International Journal of Fracture, 2009; 155(1):93-99|
|Publisher:||Kluwer Academic Publ|
|Abstract:||Plate thickness can have a profound effect on fatigue crack growth following the application of an overload cycle. A modified strip-yield model is presented for determining the effects of plate thickness based on the mechanism of plasticity-induced crack closure and first-order plate theory. This approach eliminates the need for any empirical or fitting parameters. Comparisons are made with experimental data for the case of a single tensile overload applied under otherwise constant ∆Κ loading. The theoretical crack growth predictions are found to be in good agreement with the experimental data.|
|Keywords:||fatigue crack growth; overload retardation; plasticity-induced crack closure; plate thickness.|
|Appears in Collections:||Mechanical Engineering publications|
Materials Research Group publications
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