PSI - Issue 54

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ScienceDirect

Procedia Structural Integrity 54 (2024) 593–600 Structural Integrity Procedia 00 (2023) 000–000 Structural Integrity Procedia 00 (2023) 000–000

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© 2023 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (https://creativecommons.org/licenses/by-nc-nd/4.0 ) Peer-review under responsibility of the scientific committee of the ICSI 2023 organizers Abstract The marine environment poses significant challenges to metallic engineering structures, not only due to the exposure to wave and wind action and logistic challenges related to transport and maintenance, but also due to the constant exposure to seawater, which makes them vulnerable to corrosion. Typically, protective strategies, such as coatings, are used in marine structures, allowing the base material to retain its properties. However, these protections have limited lifespans which can lead to damage of the base material before maintenance. Structural steels with a higher mechanical strength, such as S690 steel, are object of increasing interest for o ff shore structures applications due to weight reduction advantages. However, its mechanical behaviour in a corrosive medium is not yet well reported in literature. Thus, this work intends to characterize a S690 steel under marine environment conditions. As such, a methodology for inducing accelerated pre-corrosion is developed and applied to quasi static tensile specimens. Its e ff ect on the tensile mechanical properties is evaluated through testing in accordance with the ASTM E8 standard. © 2023 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http: // creativecommons.org / licenses / by-nc-nd / 4.0 / ) Peer-review under responsibility of the scientific committee of the ICSI 2023 organizers. Keywords: S690, three-electrode cell, corrosion, pitting; Abstract The marine environment poses significant challenges to metallic engineering structures, not only due to the exposure to wave and wind action and logistic challenges related to transport and maintenance, but also due to the constant exposure to seawater, which makes them vulnerable to corrosion. Typically, protective strategies, such as coatings, are used in marine structures, allowing the base material to retain its properties. However, these protections have limited lifespans which can lead to damage of the base material before maintenance. Structural steels with a higher mechanical strength, such as S690 steel, are object of increasing interest for o ff shore structures applications due to weight reduction advantages. However, its mechanical behaviour in a corrosive medium is not yet well reported in literature. Thus, this work intends to characterize a S690 steel under marine environment conditions. As such, a methodology for inducing accelerated pre-corrosion is developed and applied to quasi static tensile specimens. Its e ff ect on the tensile mechanical properties is evaluated through testing in accordance with the ASTM E8 standard. © 2023 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http: // creativecommons.org / licenses / by-nc-nd / 4.0 / ) Peer-review under responsibility of the scientific committee of the ICSI 2023 organizers. Keywords: S690, three-electrode cell, corrosion, pitting; International Conference on Structural Integrity 2023 (ICSI 2023) E ff ect of seawater corrosion on the mechanical behaviour of S690 steel AnaDantas a,b,c, ∗ , Rita Dantas a,b,c , Gonc¸alo P. Cipriano b , Ab´ılio de Jesus a,b , Grzegorz Lesiuk d , Carlos Fonseca a , Pedro Moreira b , Jose´ A.F.O. Correia a,b,c a University of Porto,Rua Dr. Roberto Fria, 4200-465 Porto, Portugal b INEGI, Department of Mechanical Engineering, University of Porto, Portugal c CONSTRUCT, Department of Civil Engineering, University of Porto, Portugal d Department of Mechanics, Materials Science and Biomedical Engineering, Faculty of Mechanical Engineering, Wroclaw University of Science and Technology, ul. Smoluchowskiego 25, PL-50370 Wrocław, Poland International Conference on Structural Integrity 2023 (ICSI 2023) E ff ect of seawater corrosion on the mechanical behaviour of S690 steel AnaDantas a,b,c, ∗ , Rita Dantas a,b,c , Gonc¸alo P. Cipriano b , Ab´ılio de Jesus a,b , Grzegorz Lesiuk d , Carlos Fonseca a , Pedro Moreira b , Jose´ A.F.O. Correia a,b,c a University of Porto,Rua Dr. Roberto Fria, 4200-465 Porto, Portugal b INEGI, Department of Mechanical Engineering, University of Porto, Portugal c CONSTRUCT, Department of Civil Engineering, University of Porto, Portugal d Department of Mechanics, Materials Science and Biomedical Engineering, Faculty of Mechanical Engineering, Wroclaw University of Science and Technology, ul. Smoluchowskiego 25, PL-50370 Wrocław, Poland

1. Introduction 1. Introduction

Nowadays, as the specter of global warming and climate change continues to cast a shadow, thus the urgency to transition to cleaner and more sustainable energy sources has never been more evident. In the worldwide quest for more renewable energy sources, one of the possible solutions is to increasingly rely on wind energy. More traditionally, wind energy is harvested from onshore wind turbines. However, the wind turbine industry has been leaning towards Nowadays, as the specter of global warming and climate change continues to cast a shadow, thus the urgency to transition to cleaner and more sustainable energy sources has never been more evident. In the worldwide quest for more renewable energy sources, one of the possible solutions is to increasingly rely on wind energy. More traditionally, wind energy is harvested from onshore wind turbines. However, the wind turbine industry has been leaning towards

∗ Corresponding author. Tel.: + 351 229 578 710 ; fax: + 351 229 537 352. E-mail address: adantas@inegi.up.pt ∗ Corresponding author. Tel.: + 351 229 578 710 ; fax: + 351 229 537 352. E-mail address: adantas@inegi.up.pt

2452-3216 © 2023 The Authors. Published by ELSEVIER B.V. This is an open access article under the CC BY-NC-ND license (https://creativecommons.org/licenses/by-nc-nd/4.0) Peer-review under responsibility of the scientific committee of the ICSI 2023 organizers 10.1016/j.prostr.2024.01.123 2210-7843 © 2023 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http: // creativecommons.org / licenses / by-nc-nd / 4.0 / ) Peer-review under responsibility of the scientific committee of the ICSI 2023 organizers. 2210-7843 © 2023 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http: // creativecommons.org / licenses / by-nc-nd / 4.0 / ) Peer-review under responsibility of the scientific committee of the ICSI 2023 organizers.