Investigation of Surface Welding Defects in EN AW 5083 HO Aluminum Plates Joined by Robotic GMAW Butt Welding Using Non-Destructive Testing Methods

Investigation of Surface Welding Defects in EN AW 5083 HO Aluminum Plates Joined by Robotic GMAW Butt Welding Using Non-Destructive Testing Methods | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Research Article Investigation of Surface Welding Defects in EN AW 5083 HO Aluminum Plates Joined by Robotic GMAW Butt Welding Using Non-Destructive Testing Methods Celalettin BAYKARA, Alaattin ORAL This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-6829715/v1 This work is licensed under a CC BY 4.0 License Status: Published Journal Publication published 07 Oct, 2025 Read the published version in Marine Systems & Ocean Technology → Version 1 posted 13 You are reading this latest preprint version Abstract The aim of this study is to systematically investigate the superficial weld defects that may occur after welding in 1.75 mm thick EN AW 5083 HO aluminium alloy sheets, which have high corrosion resistance due to their high magnesium content, using butt welding configuration and Gas Metal Arc Welding (GMAW) method. The ultimate goal is to determine the best welding parameters to improve the structural performance and service reliability of aluminium welded structures, especially in marine engineering applications. In the experimental study, EN AW 5083 HO aluminium sheets were prepared and then butt welded by robotic GMAW method under variable welding current and welding speed parameters. After welding, non-destructive testing methods such as visual inspection (ISO 17637), liquid penetrant test (ISO 3452-1), radiographic inspection (ISO 17636-1) were applied to the samples. The data obtained were evaluated to detect, classify and quantitatively analyse weld defects such as porosity, weld incompleteness, weld bead defects and surface cracks. The relationship between welding parameters and defect formation was analysed and the most suitable parameters were determined to obtain defect-free welds. The analyses showed a strong relationship between welding parameters and defect formation. High welding current and inappropriate feed rates were associated with increased porosity and lack of fusion; A significant reduction in surface defect rates and an improvement in weld seam quality were achieved with the best weld parameter determined. The results are reported in accordance with the acceptance criteria for aluminium welds specified in ISO 5817 standards. Ship building GMAW Weldebility Welding defects NDT Full Text Additional Declarations No competing interests reported. Cite Share Download PDF Status: Published Journal Publication published 07 Oct, 2025 Read the published version in Marine Systems & Ocean Technology → Version 1 posted Editorial decision: Revision requested 04 Aug, 2025 Reviews received at journal 13 Jul, 2025 Reviews received at journal 10 Jul, 2025 Reviewers agreed at journal 22 Jun, 2025 Reviewers agreed at journal 21 Jun, 2025 Reviews received at journal 17 Jun, 2025 Reviews received at journal 16 Jun, 2025 Reviewers agreed at journal 16 Jun, 2025 Reviewers agreed at journal 16 Jun, 2025 Reviewers invited by journal 16 Jun, 2025 Editor assigned by journal 07 Jun, 2025 Submission checks completed at journal 06 Jun, 2025 First submitted to journal 05 Jun, 2025 You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. 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