Publicação: Study of the phenomena of fatigue using the finite element method
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About 99% of mechanical failures are consequence of the phenomena of fatigue, which consists on the progressive weakening of the resistant section of a mechanical component due to the growing of cracks caused by fluctuating loadings. A broad diversity of factors influences the fatigue life of a mechanical component, like the surface finishing, scale factors, among others, but none is as significantly as the presence of geometric severities. Stress concentrators are places where fatigue cracks have a greater probability to occur, and so on, the intuit of this work is to develop a consistent and trustfully methodology to determine the theoretical stress concentration factor of mechanical components. Copyright © 2007 SAE International.
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Fatigue cracks, Mechanical components, Mechanical failures, Scale Factor, Stress concentrators, Surface finishing, Theoretical stress concentration factor, Finite element method, Stress concentration, Fatigue of materials
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Inglês
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SAE Technical Papers.
