A Numerical Study of the Effect of Isotropic Hardening Parameters on Mode I Fatigue Crack Growth
Autor(a) principal: | |
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Data de Publicação: | 2020 |
Outros Autores: | , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
Texto Completo: | http://hdl.handle.net/10316/106438 https://doi.org/10.3390/met10020177 |
Resumo: | The consideration of plastic crack tip opening displacement (CTOD, p), as a crack driving force has given us the opportunity to predict fatigue crack growth (FCG) rate numerically, and, therefore, to develop parametric studies focused on the e ect of loading, geometrical, and material parameters. The objective here is to study the e ect of the isotropic hardening parameters of the Voce law on FCG, which are the isotropic saturation stress, YSat, and the isotropic saturation rate, CY. The increase of these hardening parameters causes p to decrease. However, this e ect is much more pronounced for YSat than CY. The variation is non-linear, and the rate of variation decreases with the increase of isotropic parameters. The increase of YSat increases the crack closure phenomenon. Finally, the influence of the isotropic parameters is more relevant for pure isotropic hardening than for mixed hardening. |
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A Numerical Study of the Effect of Isotropic Hardening Parameters on Mode I Fatigue Crack Growthfatigue crack growthisotropic hardeningcrack tip opening displacementCTODcrack closureThe consideration of plastic crack tip opening displacement (CTOD, p), as a crack driving force has given us the opportunity to predict fatigue crack growth (FCG) rate numerically, and, therefore, to develop parametric studies focused on the e ect of loading, geometrical, and material parameters. The objective here is to study the e ect of the isotropic hardening parameters of the Voce law on FCG, which are the isotropic saturation stress, YSat, and the isotropic saturation rate, CY. The increase of these hardening parameters causes p to decrease. However, this e ect is much more pronounced for YSat than CY. The variation is non-linear, and the rate of variation decreases with the increase of isotropic parameters. The increase of YSat increases the crack closure phenomenon. Finally, the influence of the isotropic parameters is more relevant for pure isotropic hardening than for mixed hardening.MDPI2020info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articlehttp://hdl.handle.net/10316/106438http://hdl.handle.net/10316/106438https://doi.org/10.3390/met10020177eng2075-4701Borges, Micael FriasAntunes, F. V.Prates, P. A.Branco, R.info:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2023-04-03T20:36:09Zoai:estudogeral.uc.pt:10316/106438Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T21:22:53.623343Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse |
dc.title.none.fl_str_mv |
A Numerical Study of the Effect of Isotropic Hardening Parameters on Mode I Fatigue Crack Growth |
title |
A Numerical Study of the Effect of Isotropic Hardening Parameters on Mode I Fatigue Crack Growth |
spellingShingle |
A Numerical Study of the Effect of Isotropic Hardening Parameters on Mode I Fatigue Crack Growth Borges, Micael Frias fatigue crack growth isotropic hardening crack tip opening displacement CTOD crack closure |
title_short |
A Numerical Study of the Effect of Isotropic Hardening Parameters on Mode I Fatigue Crack Growth |
title_full |
A Numerical Study of the Effect of Isotropic Hardening Parameters on Mode I Fatigue Crack Growth |
title_fullStr |
A Numerical Study of the Effect of Isotropic Hardening Parameters on Mode I Fatigue Crack Growth |
title_full_unstemmed |
A Numerical Study of the Effect of Isotropic Hardening Parameters on Mode I Fatigue Crack Growth |
title_sort |
A Numerical Study of the Effect of Isotropic Hardening Parameters on Mode I Fatigue Crack Growth |
author |
Borges, Micael Frias |
author_facet |
Borges, Micael Frias Antunes, F. V. Prates, P. A. Branco, R. |
author_role |
author |
author2 |
Antunes, F. V. Prates, P. A. Branco, R. |
author2_role |
author author author |
dc.contributor.author.fl_str_mv |
Borges, Micael Frias Antunes, F. V. Prates, P. A. Branco, R. |
dc.subject.por.fl_str_mv |
fatigue crack growth isotropic hardening crack tip opening displacement CTOD crack closure |
topic |
fatigue crack growth isotropic hardening crack tip opening displacement CTOD crack closure |
description |
The consideration of plastic crack tip opening displacement (CTOD, p), as a crack driving force has given us the opportunity to predict fatigue crack growth (FCG) rate numerically, and, therefore, to develop parametric studies focused on the e ect of loading, geometrical, and material parameters. The objective here is to study the e ect of the isotropic hardening parameters of the Voce law on FCG, which are the isotropic saturation stress, YSat, and the isotropic saturation rate, CY. The increase of these hardening parameters causes p to decrease. However, this e ect is much more pronounced for YSat than CY. The variation is non-linear, and the rate of variation decreases with the increase of isotropic parameters. The increase of YSat increases the crack closure phenomenon. Finally, the influence of the isotropic parameters is more relevant for pure isotropic hardening than for mixed hardening. |
publishDate |
2020 |
dc.date.none.fl_str_mv |
2020 |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://hdl.handle.net/10316/106438 http://hdl.handle.net/10316/106438 https://doi.org/10.3390/met10020177 |
url |
http://hdl.handle.net/10316/106438 https://doi.org/10.3390/met10020177 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
2075-4701 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.publisher.none.fl_str_mv |
MDPI |
publisher.none.fl_str_mv |
MDPI |
dc.source.none.fl_str_mv |
reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação instacron:RCAAP |
instname_str |
Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
instacron_str |
RCAAP |
institution |
RCAAP |
reponame_str |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
collection |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
repository.name.fl_str_mv |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
repository.mail.fl_str_mv |
|
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1799134117233688576 |