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Fatigue Life Extension in a Structural Steel
Technical Paper
2001-01-4078
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Single tensile overload cycles were applied to evaluate the influence of the overloading ratio on the fatigue crack retardation. The results indicated that the extended fatigue life increases with increasing the magnitude of overloading and in the presence of higher compressive residual stress fields. The effect of two equal and consecutive overloads, with the second one applied at different intervals of crack propagation from the first, was also considered. The residual life after overloading was found to increase after some crack propagation between the two overloads. Larger intervals of crack propagation lead to higher fatigue resistance.
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Citation
Ramos, M., Pereira, M., Motta, S., and Carneiro, M., "Fatigue Life Extension in a Structural Steel," SAE Technical Paper 2001-01-4078, 2001, https://doi.org/10.4271/2001-01-4078.Also In
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