Using dynamic materials modelling approach to establish critical parameters for hot coiling of spring steels

Using dynamic materials modelling approach to establish critical parameters for hot coiling of spring steels | 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 Using dynamic materials modelling approach to establish critical parameters for hot coiling of spring steels Velaphi Matejeke, Sodiq Abiodun Kareem, Desmond Klenam, Josias van der Merwe, and 3 more This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-4394975/v1 This work is licensed under a CC BY 4.0 License Status: Under Review Version 1 posted 9 You are reading this latest preprint version Abstract This study investigated deformation-induced defects in 55Cr3, 54SiCr6, and 52CrMoV4 spring steels through isothermal compression testing using Gleeble 3500 thermomechanical simulator. The tests were conducted at deformation temperatures of 760, 820, 860, and 920°C, strain rates of 0.1, 1, 5, and 10 s -1 , and a total strain of 0.5. Critical parameters leading to defects were established using power dissipation and instability maps. Microstructural examinations were performed on the deformed samples to validate predictions from power dissipation and instability maps. The results indicated that 55Cr3 spring steel exhibited instability at 850-870°C and 0.3-0.6 s -1 , resulting in rounded cracks and pores in the microstructure. To avoid these defects, this temperature and strain rate range should be avoided during the coiling of 55Cr3 with a ferritic-pearlitic initial microstructure. Both 54SiCr6 and 52CrMoV4 were identified as potential alternatives to 55Cr3, with both alloys primarily undergoing dynamic recovery similar to 55Cr3. However, 54SiCr6 was recommended as the preferred alternative due to its higher power dissipation efficiency of 33% and an optimum deformation region similar to that of 55Cr3. Flow stress Gleeble 3500 Power dissipation efficiency maps Suspension spring steels Microstructural evolution Instability maps. Full Text Additional Declarations No competing interests reported. Cite Share Download PDF Status: Under Review Version 1 posted Editorial decision: Revision requested 03 Jun, 2024 Reviews received at journal 02 Jun, 2024 Reviews received at journal 01 Jun, 2024 Reviewers agreed at journal 26 May, 2024 Reviewers agreed at journal 24 May, 2024 Reviewers invited by journal 17 May, 2024 Editor assigned by journal 11 May, 2024 Submission checks completed at journal 11 May, 2024 First submitted to journal 09 May, 2024 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-4394975","acceptedTermsAndConditions":true,"allowDirectSubmit":false,"archivedVersions":[],"articleType":"Research Article","associatedPublications":[],"authors":[{"id":304678448,"identity":"7620f090-4d65-4793-92c4-d2999be2eec7","order_by":0,"name":"Velaphi Matejeke","email":"","orcid":"","institution":"University of the Witwatersrand","correspondingAuthor":false,"prefix":"","firstName":"Velaphi","middleName":"","lastName":"Matejeke","suffix":""},{"id":304678449,"identity":"caf43ae7-a2c4-4924-a5ee-f7e8dba274a7","order_by":1,"name":"Sodiq Abiodun 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