Research on subsurface damage of CFRP cutting with biomimetic gradient micro-textured tools

Research on subsurface damage of CFRP cutting with biomimetic gradient micro-textured tools | 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 Research on subsurface damage of CFRP cutting with biomimetic gradient micro-textured tools Mengxue Gao, Xu Zhang, Liangfei Hu, Yue Song, Peiwei Yao, Liqiang Zhang, and 1 more This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-5245887/v1 This work is licensed under a CC BY 4.0 License Status: Published Journal Publication published 20 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 CFRP (Carbon fiber reinforced polymer) exhibits anisotropy and low interlaminar shear strength, which makes it prone to inducing defects, especially at the fiber cutting angle of 135°, where subsurface damage is especially severe. This article constructs a 3D microscopic finite element model for CFRP cutting and analyzes the cutting mechanism of micro-textured tools at a 135° fiber cutting angle, and proposes use micro-textured tools with varying depths for cutting. Concurrently, incorporating the "crescent-shaped depression" morphology of bamboo rats' incisors, it is able to effectively mitigate subsurface damage during CFRP cutting while maintaining the structural strength of the cutting tool. The biomimetic gradient micro-textured tools proposed in this study can effectively reduce the overall subsurface damage during CFRP processing at various angles. Compared to non-textured and equal-depth micro-textured tools, the overall maximum subsurface damage is reduced by 44.92% and 21.99% respectively, providing an effective solution to reduce subsurface damage. CFRP Fibre cutting angle Biomimetic gradient micro-texture tool Subsurface damage Full Text Cite Share Download PDF Status: Published Journal Publication published 20 Aug, 2025 Read the published version in The International Journal of Advanced Manufacturing Technology → Version 1 posted Editorial decision: Major Revisions Needed 14 Nov, 2024 Reviewers agreed at journal 18 Oct, 2024 Reviewers invited by journal 18 Oct, 2024 Editor assigned by journal 16 Oct, 2024 First submitted to journal 15 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-5245887","acceptedTermsAndConditions":true,"allowDirectSubmit":false,"archivedVersions":[],"articleType":"Research Article","associatedPublications":[],"authors":[{"id":367616206,"identity":"904acb7e-db54-436d-891b-510853721d70","order_by":0,"name":"Mengxue 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