Electrical percolation threshold of cementitious composites possessing self-sensing functionality incorporating different carbon-based materials

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dc.authoridAL-DAHAWI, Ali Majeed Khudayer/0000-0001-7836-1525
dc.contributor.authorAl-Dahawi, Ali
dc.contributor.authorSarwary, Mohammad Haroon
dc.contributor.authorOzturk, Oguzhan
dc.contributor.authorYildirim, Gurkan
dc.contributor.authorAkin, Arife
dc.contributor.authorSahmaran, Mustafa
dc.contributor.authorLachemi, Mohamed
dc.date.accessioned2025-01-06T17:37:39Z
dc.date.available2025-01-06T17:37:39Z
dc.date.issued2016
dc.description.abstractAn experimental study was carried out to understand the electrical percolation thresholds of different carbon-based nano- and micro-scale materials in cementitious composites. Multi-walled carbon nanotubes (CNTs), graphene nanoplatelets (GNPs) and carbon black (CB) were selected as the nano-scale materials, while 6 and 12 mm long carbon fibers (CF6 and CF12) were used as the micro-scale carbon-based materials. After determining the percolation thresholds of different electrical conductive materials, mechanical properties and piezoresistive properties of specimens produced with the abovementioned conductive materials at percolation threshold were investigated under uniaxial compressive loading. Results demonstrate that regardless of initial curing age, the percolation thresholds of CNT, GNP, CB and CFs in ECC mortar specimens were around 0.55%, 2.00%, 2.00% and 1.00%, respectively. Including different carbon-based conductive materials did not harm compressive strength results; on the contrary, it improved overall values. All cementitious composites produced with carbon-based materials, with the exception of the control mixtures, exhibited piezoresistive behavior under compression, which is crucial for sensing capability. It is believed that incorporating the sensing attribute into cementitious composites will enhance benefits for sustainable civil infrastructures.
dc.description.sponsorshipScientific and Technical Research Council (TUBITAK) of Turkey [114R043]
dc.description.sponsorshipThe authors gratefully acknowledge the financial assistance of the Scientific and Technical Research Council (TUBITAK) of Turkey provided under Project: 114R043.
dc.identifier.doi10.1088/0964-1726/25/10/105005
dc.identifier.issn0964-1726
dc.identifier.issn1361-665X
dc.identifier.issue10
dc.identifier.scopus2-s2.0-84989952761
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1088/0964-1726/25/10/105005
dc.identifier.urihttps://hdl.handle.net/20.500.14669/2314
dc.identifier.volume25
dc.identifier.wosWOS:000385495300002
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherIop Publishing Ltd
dc.relation.ispartofSmart Materials and Structures
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_20241211
dc.subjectengineered cementitious composites (ECC)
dc.subjectself-sensing
dc.subjectpiezoresistivity
dc.subjectpercolation threshold
dc.subjectcarbon-based materials
dc.titleElectrical percolation threshold of cementitious composites possessing self-sensing functionality incorporating different carbon-based materials
dc.typeArticle

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