Experimental and Numerical Studies on the Energy Absorption Characteristics of Al/CFRP Corrugated Web Beams

Experimental and Numerical Studies on the Energy Absorption Characteristics of Al/CFRP Corrugated Web Beams | 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 Experimental and Numerical Studies on the Energy Absorption Characteristics of Al/CFRP Corrugated Web Beams Jian Yu, Qianduo Liang, Xinfeng Wang, Jiawei Wu This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-3919212/v1 This work is licensed under a CC BY 4.0 License Status: Posted Version 1 posted You are reading this latest preprint version Abstract Carbon fiber reinforced polymer (CFRP) is widely used in aircraft crashworthiness structures, but its unstable failure modes limit its energy absorption capability. This study proposes a hybrid aluminum/CFRP (Al/CFRP) corrugated web beam to enhance the energy absorption and progressive collapse under axial impact. Quasi-static crushing experiments were performed on CFRP and Al/CFRP corrugated web beams with 45° crushing triggers. Results revealed that the initial peak load and the total energy absorption of the Al/CFRP corrugated web beam increased by 16.68% and 34.62%, respectively, compared to those of the CFRP corrugated web beam. The specific energy absorption and the crushing force efficiency also improved by 13.22% and 1.51%, respectively. The CFRP corrugated web beam underwent transverse shearing, brittle fracture, and bending failures during crushing, resulting in a decline in energy absorption after a 40 mm displacement due to crack propagation. In contrast, the Al/CFRP corrugated web beam exhibited stable progressive collapse with sustained energy absorption up to a 60 mm displacement, benefiting from the plasticity of the aluminum layer. Detailed finite element models were validated against the experimental results, with the simulated failure morphologies and the energy absorption being consistent with the measured results. The proposed Al/CFRP corrugated web beam demonstrated superior crashworthiness, progressive collapse, and energy absorption capabilities under impact. CFRP Al alloy Corrugated web Energy absorption Crushing Failure mechanism Full Text Additional Declarations No competing interests reported. Cite Share Download PDF Status: Posted Version 1 posted 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-3919212","acceptedTermsAndConditions":true,"allowDirectSubmit":true,"archivedVersions":[],"articleType":"Research Article","associatedPublications":[],"authors":[{"id":273771467,"identity":"2aca79dc-8651-482c-9e0e-c87aa020d6c6","order_by":0,"name":"Jian Yu","email":"","orcid":"","institution":"Nanjing University of Aeronautics and Astronautics","correspondingAuthor":false,"prefix":"","firstName":"Jian","middleName":"","lastName":"Yu","suffix":""},{"id":273771469,"identity":"ec5553e7-6563-46be-8d89-e9cdc731ed2e","order_by":1,"name":"Qianduo Liang","email":"","orcid":"","institution":"GAC R\u0026D CENTER, Guangzhou Automobile Group Co., Ltd","correspondingAuthor":false,"prefix":"","firstName":"Qianduo","middleName":"","lastName":"Liang","suffix":""},{"id":273771470,"identity":"1a7840c4-cc6d-4665-851c-8daf6ca81cc1","order_by":2,"name":"Xinfeng Wang","email":"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAZAAAAAyAQMAAABI0h/eAAAABlBMVEX///8AAABVwtN+AAAACXBIWXMAAA7EAAAOxAGVKw4bAAAA6ElEQVRIiWNgGAWjYDACZgaGDyCaH8pnbCBCC+MMEC3ZQLQWBqgWgwPEajE4znuw4eOO2sTNt3sMP/xgsJHdcID52QN8WiSb+RIbZ545nrjtzhljyR6GNOMNB9jMDfBp4WfmMX/M23Ysd9uNHAMJHobDiRsO8LBJ4NPCxsxj2PwXqGXzjBzjn38Y/hPWwg/SwthWk7tBIsdMmofhAGEtks08ho29bQfqZ9xIK7OWMUg2nnmYzQyvFoPzZwwbfrbVGfPPSN58802FnWzf8eZneLVAwWGYCQzg9EAMqCNO2SgYBaNgFIxMAAAb2Eqa1sUAmAAAAABJRU5ErkJggg==","orcid":"","institution":"Nanjing University of Aeronautics and Astronautics","correspondingAuthor":true,"prefix":"","firstName":"Xinfeng","middleName":"","lastName":"Wang","suffix":""},{"id":273771471,"identity":"43cd32f4-406d-4829-93e6-340b79f7cb8e","order_by":3,"name":"Jiawei Wu","email":"","orcid":"","institution":"Nanjing University of Aeronautics and Astronautics","correspondingAuthor":false,"prefix":"","firstName":"Jiawei","middleName":"","lastName":"Wu","suffix":""}],"badges":[],"createdAt":"2024-02-02 01:14:10","currentVersionCode":1,"declarations":"","doi":"10.21203/rs.3.rs-3919212/v1","doiUrl":"https://doi.org/10.21203/rs.3.rs-3919212/v1","draftVersion":[],"editorialEvents":[],"editorialNote":"","failedWorkflow":false,"files":[{"id":51547855,"identity":"87885a70-f61c-4087-baf6-fff0212d8323","added_by":"auto","created_at":"2024-02-23 13:44:17","extension":"pdf","order_by":1,"title":"","display":"","copyAsset":false,"role":"manuscript-pdf","size":1551873,"visible":true,"origin":"","legend":"","description":"","filename":"Manuscript.pdf","url":"https://assets-eu.researchsquare.com/files/rs-3919212/v1_covered_b9c327ab-b3bc-4282-958f-18f868fe6008.pdf"}],"financialInterests":"No competing interests reported.","formattedTitle":"Experimental and Numerical Studies on the Energy Absorption Characteristics of Al/CFRP Corrugated Web Beams","fulltext":[],"fulltextSource":"","fullText":"","funders":[],"hasAdminPriorityOnWorkflow":false,"hasManuscriptDocX":false,"hasOptedInToPreprint":true,"hasPassedJournalQc":"","hasAnyPriority":false,"hideJournal":true,"highlight":"","institution":"","isAcceptedByJournal":false,"isAuthorSuppliedPdf":true,"isDeskRejected":"","isHiddenFromSearch":false,"isInQc":false,"isInWorkflow":false,"isPdf":true,"isPdfUpToDate":true,"isWithdrawnOrRetracted":false,"journal":{"display":true,"email":"[email protected]","identity":"researchsquare","isNatureJournal":false,"hasQc":true,"allowDirectSubmit":true,"externalIdentity":"","sideBox":"","snPcode":"","submissionUrl":"/submission","title":"Research Square","twitterHandle":"researchsquare","acdcEnabled":true,"dfaEnabled":false,"editorialSystem":"","reportingPortfolio":"","inReviewEnabled":false,"inReviewRevisionsEnabled":true},"keywords":"CFRP, Al alloy, Corrugated web, Energy absorption, Crushing, Failure mechanism","lastPublishedDoi":"10.21203/rs.3.rs-3919212/v1","lastPublishedDoiUrl":"https://doi.org/10.21203/rs.3.rs-3919212/v1","license":{"name":"CC BY 4.0","url":"https://creativecommons.org/licenses/by/4.0/"},"manuscriptAbstract":"\u003cp\u003eCarbon fiber reinforced polymer (CFRP) is widely used in aircraft crashworthiness structures, but its unstable failure modes limit its energy absorption capability. This study proposes a hybrid aluminum/CFRP (Al/CFRP) corrugated web beam to enhance the energy absorption and progressive collapse under axial impact. Quasi-static crushing experiments were performed on CFRP and Al/CFRP corrugated web beams with 45\u0026deg; crushing triggers. Results revealed that the initial peak load and the total energy absorption of the Al/CFRP corrugated web beam increased by 16.68% and 34.62%, respectively, compared to those of the CFRP corrugated web beam. The specific energy absorption and the crushing force efficiency also improved by 13.22% and 1.51%, respectively. The CFRP corrugated web beam underwent transverse shearing, brittle fracture, and bending failures during crushing, resulting in a decline in energy absorption after a 40 mm displacement due to crack propagation. In contrast, the Al/CFRP corrugated web beam exhibited stable progressive collapse with sustained energy absorption up to a 60 mm displacement, benefiting from the plasticity of the aluminum layer. Detailed finite element models were validated against the experimental results, with the simulated failure morphologies and the energy absorption being consistent with the measured results. The proposed Al/CFRP corrugated web beam demonstrated superior crashworthiness, progressive collapse, and energy absorption capabilities under impact.\u003c/p\u003e","manuscriptTitle":"Experimental and Numerical Studies on the Energy Absorption Characteristics of Al/CFRP Corrugated Web Beams","msid":"","msnumber":"","nonDraftVersions":[{"code":1,"date":"2024-02-21 14:43:20","doi":"10.21203/rs.3.rs-3919212/v1","editorialEvents":[{"type":"communityComments","content":0}],"status":"published","journal":{"display":true,"email":"[email protected]","identity":"researchsquare","isNatureJournal":false,"hasQc":true,"allowDirectSubmit":true,"externalIdentity":"","sideBox":"","snPcode":"","submissionUrl":"/submission","title":"Research Square","twitterHandle":"researchsquare","acdcEnabled":true,"dfaEnabled":false,"editorialSystem":"","reportingPortfolio":"","inReviewEnabled":false,"inReviewRevisionsEnabled":true}}],"origin":"","ownerIdentity":"c9cf260c-adc2-4fdd-a1be-2a731f940e9d","owner":[],"postedDate":"February 21st, 2024","published":true,"recentEditorialEvents":[],"rejectedJournal":[],"revision":"","amendment":"","status":"posted","subjectAreas":[],"tags":[],"updatedAt":"2024-02-23T13:35:55+00:00","versionOfRecord":[],"versionCreatedAt":"2024-02-21 14:43:20","video":"","vorDoi":"","vorDoiUrl":"","workflowStages":[]},"version":"v1","identity":"rs-3919212","journalConfig":"researchsquare"},"__N_SSP":true},"page":"/article/[identity]/[[...version]]","query":{"redirect":"/article/rs-3919212","identity":"rs-3919212","version":["v1"]},"buildId":"qtupq5eGEP_6zYnWcrvyt","isFallback":false,"isExperimentalCompile":false,"dynamicIds":[84888],"gssp":true,"scriptLoader":[]}