Please use this identifier to cite or link to this item: http://www.repositorio.ufop.br/jspui/handle/123456789/5501
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dc.contributor.authorAl-Rubaie, Kassim Shamil Fadhil-
dc.contributor.authorBarroso, Emerson Kellem Lana-
dc.contributor.authorGodefroid, Leonardo Barbosa-
dc.date.accessioned2015-05-25T18:09:13Z-
dc.date.available2015-05-25T18:09:13Z-
dc.date.issued2008-
dc.identifier.citationAL-RUBAIE, K. S.; BARROSO, E. K. L.; GODEFROID, L. B. Statistical modeling of fatigue crack growth rate in pre-strained 7475-T7351 aluminum alloy. Materials Science & Engineering. A, Structural Materials: properties, microstructure and processing, v. 486, p. 585-595, 2008. Disponível em:<http://www.sciencedirect.com/science/article/pii/S0921509307017960>. Acesso em: 09 abr. 2015.pt_BR
dc.identifier.issn0921-5093-
dc.identifier.urihttp://www.repositorio.ufop.br/handle/123456789/5501-
dc.description.abstractIn this study, 7475-T7351 aluminum strips were subjected to two tensile pre-strain levels of 3% and 5%. Using compact tension C(T) specimens, fatigue crack growth tests were conducted under constant amplitude loading at stress ratios of 0.1 and 0.5 in air and at room temperature. Three fatigue crack growth rate (FCGR) models, namely, Collipriest, Priddle, and NASGRO were examined. To handle the effect of stress ratio on FCGR, Walker equivalent stress intensity factor model was used. Consequently, generalized Collipriest (GC), generalized Priddle (GP), and generalized NASGRO (GN) models were developed and fitted to the FCGR data. It was shown that both GC and GP models fit the FCGR data in a similar fashion. However, the GP model provided a better fit than the GC model. The GN model was found to be the most appropriate model for the data. Therefore, this model may be suggested for use in critical applications, such as aeronautical structural design.pt_BR
dc.language.isoen_USpt_BR
dc.subjectModelingpt_BR
dc.subjectFatigue crack growth ratept_BR
dc.subjectStatistical analysispt_BR
dc.subjectPre-strainpt_BR
dc.titleStatistical modeling of fatigue crack growth rate in pre-strained 7475-T7351 aluminum alloy.pt_BR
dc.typeArtigo publicado em periodicopt_BR
dc.rights.licenseO periódico Materials Science and Engineering: A concede permissão para depósito deste artigo no Repositório Institucional da UFOP. Número da licença: 3624211104407.pt_BR
dc.identifier.doihttps://doi.org/10.1016/j.msea.2007.10.083-
Appears in Collections:DEMET - Artigos publicados em periódicos

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