Effect of accumulated plastic strain on fatigue performance of super duplex steel used in umbilical tubes for oil production
| Autor(a) principal: | |
|---|---|
| Data de Publicação: | 2022 |
| Outros Autores: | , , , , , |
| Tipo de documento: | Artigo |
| Idioma: | por |
| Título da fonte: | Research, Society and Development |
| Texto Completo: | https://rsdjournal.org/index.php/rsd/article/view/28614 |
Resumo: | The umbilical cable is today an important technology used to control equipment on the seabed in the production of offshore oil in deep and ultra-deep waters. The umbilical is composed of several components, including steel tube for transporting fluids for hydraulic control of equipment in the bed. Such tubes are susceptible to fatigue during their life in umbilical operation. Fatigue strength is influenced by the accumulated plastic strain (APS) undergone by the tubes during the entire manufacturing process until installation/storage on spools. This present study investigated whether the way in which the APS is applied influences the fatigue strength of the tubes. Fatigue test specimens were machined from super duplex umbilical tube, which received 5% of APS by cyclic bending in two different ways: repeated bending and alternating bending. Microstructural and microhardness analyzes were performed on the specimens after fatigue fracture. No significant difference neither in microstructure, nor on the microhardness of the two groups of specimens was found after fatigue fracture. However, the group subjected to alternating plastic strain experienced lower fatigue strength. Therefore, the way in wich the tubes are deformed during manufacture and storage influences their fatigue performance. |
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Effect of accumulated plastic strain on fatigue performance of super duplex steel used in umbilical tubes for oil production Efecto de la deformación plástica acumulada en el rendimiento de fatiga del acero súper dúplex utilizado en tubos umbilicales de produccion de petróleo Efeito da deformação plástica acumulada no desempenho à fadiga de aço super duplex empregados em tubos umbilicais para produção de petróleoAcero inoxidable súper dúplexUmbilicalAPSEnseñanzaFatiga.Aço inoxidável super duplexUmbilicalAPSEnsinoFadiga.Super duplex stainless steelUmbilicalAPSTeachingFatigue.The umbilical cable is today an important technology used to control equipment on the seabed in the production of offshore oil in deep and ultra-deep waters. The umbilical is composed of several components, including steel tube for transporting fluids for hydraulic control of equipment in the bed. Such tubes are susceptible to fatigue during their life in umbilical operation. Fatigue strength is influenced by the accumulated plastic strain (APS) undergone by the tubes during the entire manufacturing process until installation/storage on spools. This present study investigated whether the way in which the APS is applied influences the fatigue strength of the tubes. Fatigue test specimens were machined from super duplex umbilical tube, which received 5% of APS by cyclic bending in two different ways: repeated bending and alternating bending. Microstructural and microhardness analyzes were performed on the specimens after fatigue fracture. No significant difference neither in microstructure, nor on the microhardness of the two groups of specimens was found after fatigue fracture. However, the group subjected to alternating plastic strain experienced lower fatigue strength. Therefore, the way in wich the tubes are deformed during manufacture and storage influences their fatigue performance.El cable umbilical es hoy una de las grandes tecnologías utilizadas para el control de equipos en el lecho marino en la produccion petrolera offshore en aguas profundas y ultraprofundas. El umbilical se compone de varios componentes, incluyendo tubo de acero para transporte de fluidos para control hidráulico de equipos en el lecho. Dichos tubos son susceptibles de sufrir fatiga durante su vida en funcionamiento del umbilical. La resistencia a la fatiga está influenciada por la deformación plástica acumulada (APS) que sufren los tubos durante todo el proceso de fabricación hasta su instalación/almacenamiento en bobinas. El presente estudio investigó si la forma en que ocurre la APS influye en la resistencia a la fatiga de los tubos. Para ello, se mecanizaron probetas de ensayo de fatiga a partir de tubos umbilicales super dúplex, los cuales recibieron 5% de APS por flexión cíclica de dos maneras diferentes: flexión repetida y flexión alterna. Se realizaron análisis microestructurales y de microdureza en las muestras después de la fractura por fatiga. No hubo diferencia significativa ni en la microestructura, ni sobre la microdureza de los dos grupos de muestras después de la fractura por fatiga. Sin embargo, el grupo sometido a deformación plástica alterna presentó menor resistencia a la fatiga. Por lo tanto, la forma en que se deforman los tubos durante la fabricación y el almacenamiento influye en su comportamiento ante la fatiga.O cabo umbilical é hoje uma das grandes tecnologias utilizadas para controle de equipamentos no leito marinho na produção de petróleo offshore em águas profundas e ultraprofundas. O umbilical é composto por vários componentes, inclusive tubo de aço para transporte de fluidos para controle hidráulico de equipamentos no leito. Tais tubos são susceptíveis à fadiga durante a vida em operação do umbilical. A resistência a fadiga é influenciada pela deformação plástica acumulada (APS) sofrida pelos tubos durante todo processo de fabricação até instalação/armazenamento em carreteis. Esse presente estudo investigou se a maneira como acontece a APS influencia na resistência à fadiga dos tubos. Para isso, foram usinados corpos de prova de fadiga a partir de tubo super duplex de umbilical, os quais receberam 5% de APS por flexão cíclica de duas formas diferentes: flexão repetida e flexão alternada. Análises microestruturais e de microdureza foram realizadas nos corpos de prova após fratura por fadiga. Não houve diferença significativa nem na microestrutura, e nem na microdureza dos dois grupos de amostras após a fratura por fadiga. Porém, o grupo submetido a deformação plástica alternada apresentou menor resistência a fadiga. Portanto, a maneira como os tubos são deformados durante a fabricação e armazenamento influencia o seu desempenho em fadiga.Research, Society and Development2022-04-13info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://rsdjournal.org/index.php/rsd/article/view/2861410.33448/rsd-v11i5.28614Research, Society and Development; Vol. 11 No. 5; e49711528614Research, Society and Development; Vol. 11 Núm. 5; e49711528614Research, Society and Development; v. 11 n. 5; e497115286142525-3409reponame:Research, Society and Developmentinstname:Universidade Federal de Itajubá (UNIFEI)instacron:UNIFEIporhttps://rsdjournal.org/index.php/rsd/article/view/28614/24781Copyright (c) 2022 Antelmo Santos Chaves ; Wilton Walter Batista; Sandro Griza; Raphael Cardoso; Brenno Lima Nascimento; Matheus Mariano da Silva Reis; Renan Celestino Silva Santoshttps://creativecommons.org/licenses/by/4.0info:eu-repo/semantics/openAccessChaves , Antelmo SantosBatista, Wilton WalterGriza, Sandro Cardoso, RaphaelNascimento, Brenno LimaReis, Matheus Mariano da SilvaSantos, Renan Celestino Silva2022-04-17T18:18:56Zoai:ojs.pkp.sfu.ca:article/28614Revistahttps://rsdjournal.org/index.php/rsd/indexPUBhttps://rsdjournal.org/index.php/rsd/oairsd.articles@gmail.com2525-34092525-3409opendoar:2024-01-17T09:45:57.206632Research, Society and Development - Universidade Federal de Itajubá (UNIFEI)false |
| dc.title.none.fl_str_mv |
Effect of accumulated plastic strain on fatigue performance of super duplex steel used in umbilical tubes for oil production Efecto de la deformación plástica acumulada en el rendimiento de fatiga del acero súper dúplex utilizado en tubos umbilicales de produccion de petróleo Efeito da deformação plástica acumulada no desempenho à fadiga de aço super duplex empregados em tubos umbilicais para produção de petróleo |
| title |
Effect of accumulated plastic strain on fatigue performance of super duplex steel used in umbilical tubes for oil production |
| spellingShingle |
Effect of accumulated plastic strain on fatigue performance of super duplex steel used in umbilical tubes for oil production Chaves , Antelmo Santos Acero inoxidable súper dúplex Umbilical APS Enseñanza Fatiga. Aço inoxidável super duplex Umbilical APS Ensino Fadiga. Super duplex stainless steel Umbilical APS Teaching Fatigue. |
| title_short |
Effect of accumulated plastic strain on fatigue performance of super duplex steel used in umbilical tubes for oil production |
| title_full |
Effect of accumulated plastic strain on fatigue performance of super duplex steel used in umbilical tubes for oil production |
| title_fullStr |
Effect of accumulated plastic strain on fatigue performance of super duplex steel used in umbilical tubes for oil production |
| title_full_unstemmed |
Effect of accumulated plastic strain on fatigue performance of super duplex steel used in umbilical tubes for oil production |
| title_sort |
Effect of accumulated plastic strain on fatigue performance of super duplex steel used in umbilical tubes for oil production |
| author |
Chaves , Antelmo Santos |
| author_facet |
Chaves , Antelmo Santos Batista, Wilton Walter Griza, Sandro Cardoso, Raphael Nascimento, Brenno Lima Reis, Matheus Mariano da Silva Santos, Renan Celestino Silva |
| author_role |
author |
| author2 |
Batista, Wilton Walter Griza, Sandro Cardoso, Raphael Nascimento, Brenno Lima Reis, Matheus Mariano da Silva Santos, Renan Celestino Silva |
| author2_role |
author author author author author author |
| dc.contributor.author.fl_str_mv |
Chaves , Antelmo Santos Batista, Wilton Walter Griza, Sandro Cardoso, Raphael Nascimento, Brenno Lima Reis, Matheus Mariano da Silva Santos, Renan Celestino Silva |
| dc.subject.por.fl_str_mv |
Acero inoxidable súper dúplex Umbilical APS Enseñanza Fatiga. Aço inoxidável super duplex Umbilical APS Ensino Fadiga. Super duplex stainless steel Umbilical APS Teaching Fatigue. |
| topic |
Acero inoxidable súper dúplex Umbilical APS Enseñanza Fatiga. Aço inoxidável super duplex Umbilical APS Ensino Fadiga. Super duplex stainless steel Umbilical APS Teaching Fatigue. |
| description |
The umbilical cable is today an important technology used to control equipment on the seabed in the production of offshore oil in deep and ultra-deep waters. The umbilical is composed of several components, including steel tube for transporting fluids for hydraulic control of equipment in the bed. Such tubes are susceptible to fatigue during their life in umbilical operation. Fatigue strength is influenced by the accumulated plastic strain (APS) undergone by the tubes during the entire manufacturing process until installation/storage on spools. This present study investigated whether the way in which the APS is applied influences the fatigue strength of the tubes. Fatigue test specimens were machined from super duplex umbilical tube, which received 5% of APS by cyclic bending in two different ways: repeated bending and alternating bending. Microstructural and microhardness analyzes were performed on the specimens after fatigue fracture. No significant difference neither in microstructure, nor on the microhardness of the two groups of specimens was found after fatigue fracture. However, the group subjected to alternating plastic strain experienced lower fatigue strength. Therefore, the way in wich the tubes are deformed during manufacture and storage influences their fatigue performance. |
| publishDate |
2022 |
| dc.date.none.fl_str_mv |
2022-04-13 |
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info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
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article |
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publishedVersion |
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https://rsdjournal.org/index.php/rsd/article/view/28614 10.33448/rsd-v11i5.28614 |
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https://rsdjournal.org/index.php/rsd/article/view/28614 |
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10.33448/rsd-v11i5.28614 |
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por |
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por |
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https://rsdjournal.org/index.php/rsd/article/view/28614/24781 |
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https://creativecommons.org/licenses/by/4.0 info:eu-repo/semantics/openAccess |
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https://creativecommons.org/licenses/by/4.0 |
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openAccess |
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application/pdf |
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Research, Society and Development |
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Research, Society and Development |
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Research, Society and Development; Vol. 11 No. 5; e49711528614 Research, Society and Development; Vol. 11 Núm. 5; e49711528614 Research, Society and Development; v. 11 n. 5; e49711528614 2525-3409 reponame:Research, Society and Development instname:Universidade Federal de Itajubá (UNIFEI) instacron:UNIFEI |
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Universidade Federal de Itajubá (UNIFEI) |
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UNIFEI |
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Research, Society and Development |
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Research, Society and Development |
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Research, Society and Development - Universidade Federal de Itajubá (UNIFEI) |
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rsd.articles@gmail.com |
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1797052826742947840 |