Effect of GMAW-Spray transfer mode on the weld microstructure of an AISI 445 stainless steel.

Effect of GMAW-Spray transfer mode on the weld microstructure of an AISI 445 stainless steel. | 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 Effect of GMAW-Spray transfer mode on the weld microstructure of an AISI 445 stainless steel. GERARDO GRANADOS-SANCHEZ, FRANCISCO REYES, NEREYDA ALCANTAR-MONDRAGON, and 2 more This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-6807493/v1 This work is licensed under a CC BY 4.0 License Status: Published Journal Publication published 26 Sep, 2025 Read the published version in The International Journal of Advanced Manufacturing Technology → Version 1 posted 5 You are reading this latest preprint version Abstract The current research study analyzes the influence of short circuit (GMAW-SC) and spray (GMAW-Spray) transfer mode on the microstructure of a 445 ferritic stainless steel. The amount of δ-ferrite in the fusion zone (FZ) was determinant according to the transfer mode in the GMAW welding process. An increase of the heat input (HI) by spray transfer allows to obtain a decrease of δ-ferrite. In contrast, the short-circuit transfer mode shows an increase of 30%. Additionally, the ferritic-austenitic system studied exhibits microstructural differences in the distribution and morphology of the microconstituents depending on the transfer mode employed. The diffusive phenomena of Cr, Ni and Fe are similar regardless of the transfer mode employed. Finally, the short-circuit transfer mode produced a favorable microstructural condition with reduced HI and a homogeneous distribution of δ-ferrite in the weld bead avoiding zones of excessive grain growth in the FZ compromising the integrity of the joint. GMAW Spray transfer mode Short-Circuit transfer mode 𝛿-Ferrite Ferritic Stainless Steel Full Text Cite Share Download PDF Status: Published Journal Publication published 26 Sep, 2025 Read the published version in The International Journal of Advanced Manufacturing Technology → Version 1 posted Editorial decision: Major Revisions Needed 21 Jul, 2025 Reviewers agreed at journal 05 Jun, 2025 Reviewers invited by journal 05 Jun, 2025 Editor assigned by journal 05 Jun, 2025 First submitted to journal 02 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. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. We do this by developing innovative software and high quality services for the global research community. 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Also discoverable on Platform About Our Team In Review Editorial Policies Advisory Board Help Center Resources Author Services Accessibility API Access RSS feed Manage Cookie Preferences © Research Square 2026 | ISSN 2693-5015 (online) Privacy Policy Terms of Service Do Not Sell My Personal Information {"props":{"pageProps":{"initialData":{"identity":"rs-6807493","acceptedTermsAndConditions":true,"allowDirectSubmit":false,"archivedVersions":[],"articleType":"Research Article","associatedPublications":[],"authors":[{"id":467039386,"identity":"668547b7-d490-44f3-ae84-05208ee20f5f","order_by":0,"name":"GERARDO GRANADOS-SANCHEZ","email":"","orcid":"","institution":"","correspondingAuthor":false,"prefix":"","firstName":"GERARDO","middleName":"","lastName":"GRANADOS-SANCHEZ","suffix":""},{"id":467039387,"identity":"5ee695b6-a8ed-4210-9d50-6b20e206a512","order_by":1,"name":"FRANCISCO 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