PSI - Issue 82

ScienceDirect Structural Integrity Procedia 00 (2026) 000–000 Structural Integrity Procedia 00 (2026) 000–000 Available online at www.sciencedirect.com Available online at www.sciencedirect.com ScienceDirect Available online at www.sciencedirect.com ScienceDirect

www.elsevier.com/locate/procedia www.elsevier.com/locate/procedia

Procedia Structural Integrity 82 (2026) 24–29

© 2026 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 ICSID organizers Abstract This study investigates the corrosion and mechanical performance of the additively manufactured aluminium alloy AlSi10Mg0.6 when exposed to natural seawater conditions. Specimens were fabricated via Selective Laser Melting (SLM) and submerged below the sea surface at two Adriatic Sea locations for three and six months. Following exposure, the samples were cleaned, weighed, and tested under uniaxial tension to evaluate mass variation and tensile properties. Results show a small apparent mass gain before cleaning due to oxide and salt deposit accumulation, followed by a negligible actual mass loss after cleaning, confirming limited material degradation. The ultimate tensile strength remained stable with a moderate decrease in strain. These findings demonstrate that additively manufactured AlSi10Mg0.6 maintains good corrosion resistance and mechanical integrity under natural marine exposure, making it a viable choice for marine engineering applications. © 2026 The Authors. Copy from the contract: 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 ICSID organizers Keywords: aluminum; AlSi10Mg0.6; additive manufacturing; material degradation; marine environment 1. Introduction Additive manufacturing (AM) has emerged as a transformative technology in the field of engineering design and production, enabling the creation of complex geometries and lightweight structures unattainable through conventional Abstract This study investigates the corrosion and mechanical performance of the additively manufactured aluminium alloy AlSi10Mg0.6 when exposed to natural seawater conditions. Specimens were fabricated via Selective Laser Melting (SLM) and submerged below the sea surface at two Adriatic Sea locations for three and six months. Following exposure, the samples were cleaned, weighed, and tested under uniaxial tension to evaluate mass variation and tensile properties. Results show a small apparent mass gain before cleaning due to oxide and salt deposit accumulation, followed by a negligible actual mass loss after cleaning, confirming limited material degradation. The ultimate tensile strength remained stable with a moderate decrease in strain. These findings demonstrate that additively manufactured AlSi10Mg0.6 maintains good corrosion resistance and mechanical integrity under natural marine exposure, making it a viable choice for marine engineering applications. © 2026 The Authors. Copy from the contract: 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 ICSID organizers Keywords: aluminum; AlSi10Mg0.6; additive manufacturing; material degradation; marine environment 1. Introduction Additive manufacturing (AM) has emerged as a transformative technology in the field of engineering design and production, enabling the creation of complex geometries and lightweight structures unattainable through conventional 8th International Conference on Structural Integrity and Durability (ICSID2025) Natural marine environment effect on additively manufactured aluminum alloy Goran Vukelić a, *, Špiro Ivošević b , Benjamin Mihaljec a , Željko Božić c , Vedrana Špada d a University of Rijeka, Faculty of Maritime Studies, Studentska 2, 51000 Rijeka, Croatia b University of Montenegro, Faculty of Maritime Studies Kotor, Put I Bokeljske Brigade 44, 85330 Kotor, Montenegro c University of Zagreb, Faculty of Mechanical Engineering and Naval Architecture, I. Lučića 5, 10000 Zagreb, Croatia d Istrian University of Applied Sciences, Preradovićeva 9D, 52100 Pula, Croatia 8th International Conference on Structural Integrity and Durability (ICSID2025) Natural marine environment effect on additively manufactured aluminum alloy Goran Vukelić a, *, Špiro Ivošević b , Benjamin Mihaljec a , Željko Božić c , Vedrana Špada d a University of Rijeka, Faculty of Maritime Studies, Studentska 2, 51000 Rijeka, Croatia b University of Montenegro, Faculty of Maritime Studies Kotor, Put I Bokeljske Brigade 44, 85330 Kotor, Montenegro c University of Zagreb, Faculty of Mechanical Engineering and Naval Architecture, I. Lučića 5, 10000 Zagreb, Croatia d Istrian University of Applied Sciences, Preradovićeva 9D, 52100 Pula, Croatia

* Corresponding author. Tel.: +385 51 338 411. E-mail address: goran.vukelic@pfri.uniri.hr * Corresponding author. Tel.: +385 51 338 411. E-mail address: goran.vukelic@pfri.uniri.hr

2452-3216 © 2026 The Authors. Copy from the contract: 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 ICSID organizers 2452-3216 © 2026 The Authors. Copy from the contract: 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 ICSID organizers

2452-3216 © 2026 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 ICSID organizers 10.1016/j.prostr.2026.04.005