Mechanism of gas film formation and evolution on anode in microbubbles flow electrolytic plasma polishing

Mechanism of gas film formation and evolution on anode in microbubbles flow electrolytic plasma polishing | 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 Mechanism of gas film formation and evolution on anode in microbubbles flow electrolytic plasma polishing Juan Wang, Huanwu Sun, Ruilong Fan, Dongliang Yang, Yuxia Xiang, and 1 more This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-5303937/v1 This work is licensed under a CC BY 4.0 License Status: Published Journal Publication published 12 Aug, 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 Microbubbles flow electrolytic plasma polishing (MF-EPP) facilitates controllable electrolytic plasma polishing (EPP) using a low-power supply. It is well established that a vapor gaseous envelope (VGE) around a workpiece is essential for EPP polishing. Nonetheless, the generation condition and its control parameter of a local gas film on the workpiece surface in MF-EPP is not fully understood. In this study, an analysis by the electrochemical and hydrothermal reactions revealed that the gas composition on the anode surface is mainly composed of water vapor, which is heated by Joule heat, and electrolysis gases such as oxygen, fluorine, hydrogen, and nitrogen. By analyzing formation conditions and calculating the volume flux of each gas, it was found that vapor is the main component of the gas film. For the vapor characteristics, the bubble nucleation and growth model has been established. On this basis, the main factors affecting the nucleation, growth, and coalescence of bubbles were then analyzed, indicating that superheating and heat flow density are the principal factors affecting the aggregation of bubbles and thus the formation of a gas film. It was determined that the presence of electrolytic gases exerts a beneficial influence on the nucleation of vapor bubbles. Additionally, a bubble dynamics model was constructed based on the conservation of energy, and the impact of processing parameters on the evolution of bubbles was analyzed. The threshold for the formation of a stable gas film under the conditions of this experiment was determined to be a voltage of 350 V and an initial electrolyte temperature of 80°C. The applicability of the model was validated through experimentation, and the establishment of the model provides theoretical and experimental references for the formulation and optimization of MF-EPP machining process parameters. Microbubbles flow electrolytic plasma polishing (MF-EPP) Bubble growth Gas Full Text Cite Share Download PDF Status: Published Journal Publication published 12 Aug, 2025 Read the published version in The International Journal of Advanced Manufacturing Technology → Version 1 posted Editorial decision: Major Revisions Needed 26 Apr, 2025 Reviewers agreed at journal 26 Oct, 2024 Reviewers invited by journal 23 Oct, 2024 Editor assigned by journal 22 Oct, 2024 First submitted to journal 21 Oct, 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-5303937","acceptedTermsAndConditions":true,"allowDirectSubmit":false,"archivedVersions":[],"articleType":"Research Article","associatedPublications":[],"authors":[{"id":369455475,"identity":"abf57d57-03e4-46c9-bdb5-31fffa2f0a0d","order_by":0,"name":"Juan 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