Mechanical Property Improvement of Epoxy Composites by Electrospun SiO2 Nanofibers

Mechanical Property Improvement of Epoxy Composites by Electrospun SiO2 Nanofibers | 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 Mechanical Property Improvement of Epoxy Composites by Electrospun SiO 2 Nanofibers davoud khademi, Abolfazl Khademi, Masoud Pour This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-8186752/v1 This work is licensed under a CC BY 4.0 License Status: Published Journal Publication published 09 Feb, 2026 Read the published version in The International Journal of Advanced Manufacturing Technology → Version 1 posted 5 You are reading this latest preprint version Abstract This research aims to produce and investigate the mechanical properties of epoxy matrix composites containing different amounts of SiO 2 continuous nanofibers. For this purpose, continuous SiO 2 nanofibers were made using the electrospinning process for varying durations of 0,1,3, and 5hours. Subsequently, calcination of the continuous SiO 2 nanofibers was performed to achieve the crystalline SiO 2 compound. After that, the epoxy matrix was produced by injecting epoxy resin into molds that had been previously filled with nanofibers. Finally, the mechanical properties of the nanocomposites include through hardness and uniaxial tensile tests. Furthermore, scanning electron microscopy, transmission electron microscopy, and atomic force microscopy were utilized for microstructure analysis and fiber distribution assessment, at the same time energy-dispersive X-ray spectroscopy, Fourier-transform infrared spectroscopy, and X-ray diffraction (XRD) were employed for chemical characterization and phase composition analysis. The results showed that the nanofibers had diameters under 100 nanometers, and a crystalline SiO₂ structure formed after calcination at 900°C. Mechanical tests showed a 35% increase in strength for the epoxy with 3h electrospun nanofibers, while the hardness of the epoxy resin matrix improved by 60% with 5h electrospun nanofibers. Furthermore, the ceramic nanofibers improved the toughness of the composite samples compared to the pure resin matrix. Polymer-based nanocomposites Epoxy matrix SiO2 nanofibers Mechanical properties Full Text Cite Share Download PDF Status: Published Journal Publication published 09 Feb, 2026 Read the published version in The International Journal of Advanced Manufacturing Technology → Version 1 posted Editorial decision: Major Revisions Needed 06 Dec, 2025 Reviewers agreed at journal 26 Nov, 2025 Reviewers invited by journal 25 Nov, 2025 Editor assigned by journal 25 Nov, 2025 First submitted to journal 23 Nov, 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-8186752","acceptedTermsAndConditions":true,"allowDirectSubmit":false,"archivedVersions":[],"articleType":"Research Article","associatedPublications":[],"authors":[{"id":550634147,"identity":"ecb36a6d-cec6-452a-aab5-9319933911f2","order_by":0,"name":"davoud 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