In situ determination of cement paste porosity in parallel with corrosion study of aluminium alloy 1100 in Portland cement pastes

In situ determination of cement paste porosity in parallel with corrosion study of aluminium alloy 1100 in Portland cement pastes | 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 In situ determination of cement paste porosity in parallel with corrosion study of aluminium alloy 1100 in Portland cement pastes Xiang Li, Sebastien Caes, Thomas Pardoen, Geert De Schutter, Tom Hauffman, and 1 more This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-4503025/v1 This work is licensed under a CC BY 4.0 License Status: Published Journal Publication published 24 Oct, 2024 Read the published version in Materials and Structures → Version 1 posted 5 You are reading this latest preprint version Abstract In the context of the corrosion study of aluminium alloy 1100 in contact with Portland cement pastes by electrochemical impedance spectroscopy (EIS), a quantitative characterization of the capillary porosity of cement pastes was performed by combining the fitting parameter of the electrical equivalent circuit model constructed to analyse the EIS response with a two-phase model derived from the general effective media theory (GEM). The effective resistance of the cement paste entering the GEM is approximated by the resistance of connected capillary pores as provided by the EIS analysis to determine the evolving porosity of cement pastes. The mercury intrusion porosimetry data agree with the porosity results obtained from EIS. The influence of the curing conditions is also studied to extract the impact on the porosity. Portland Cement paste Capillary pores Porosity Electrochemical impedance spectroscopy General effective media Mercury intrusion porosimetry Full Text Additional Declarations Declaration of interests ☒ The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper. ☐ The authors declare the following financial interests/personal relationships which may be considered as potential competing interests: CRediT author statement Xiang Li: Investigation, Data Curation, Writing - Original Draft, Writing - Review & Editing, Visualization, Methodology Sébastien Caes: Writing - Review & Editing, Visualization, Methodology, Validation, Project administration Thomas Pardoen: Writing - Review & Editing, Methodology, Resource Geert De Schutter: Writing - Review & Editing, Methodology Tom Hauffman: Writing - Review & Editing, Methodology Bruno Kursten: Writing - Review & Editing, Methodology, Validation Supplementary Files Highlights.docx Supplementarymaterial.docx Cite Share Download PDF Status: Published Journal Publication published 24 Oct, 2024 Read the published version in Materials and Structures → Version 1 posted Reviewers agreed at journal 21 Jun, 2024 Reviewers invited by journal 09 Jun, 2024 Editor invited by journal 07 Jun, 2024 Editor assigned by journal 31 May, 2024 First submitted to journal 30 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. 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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-4503025","acceptedTermsAndConditions":true,"allowDirectSubmit":false,"archivedVersions":[],"articleType":"Research Article","associatedPublications":[],"authors":[{"id":312322371,"identity":"94cdccd3-c762-4050-bdce-a5140c95794b","order_by":0,"name":"Xiang Li","email":"","orcid":"","institution":"Belgian Nuclear Research Centre: Studiecentrum voor Kernenergie","correspondingAuthor":false,"prefix":"","firstName":"Xiang","middleName":"","lastName":"Li","suffix":""},{"id":312322372,"identity":"673c4c51-3c58-443c-a205-339364caa4eb","order_by":1,"name":"Sebastien 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