The effects of ZnO powder and different fiber types used in tuff/calcite-based geopolymers on electromagnetic shielding effectiveness

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dc.authoridtekin, ilker/0000-0001-7400-4790
dc.authoridPEKGOZ, Mahfuz/0000-0002-9529-8537
dc.contributor.authorTekin, Ilker
dc.contributor.authorPekgoz, Mahfuz
dc.date.accessioned2024-09-29T15:57:44Z
dc.date.available2024-09-29T15:57:44Z
dc.date.issued2024
dc.departmentKarabük Üniversitesien_US
dc.description.abstractElectromagnetic (EM) shielding has become increasingly important in our modern world due to the growing use of electronic devices, which poses risks of EM pollution and its adverse effects on humans. Many studies have explored the incorporation of various additives into geopolymer mixes to enhance their EM shielding properties. This study investigates the impact of tuff/calcitebased geopolymers reinforced with three different types of fibers (Polypropylene, Steel, and Carbon) and varying percentages (2.5 %, 5 %, and 10 %) of ZnO powder on EM shielding effectiveness. Compressive strength, flexural strength, water absorption, length change tests, and EM shielding (900-6000 MHz at every 100MHz step) measurements were performed on geopolymer samples. Optimal shielding performance was achieved by the addition of 10 % ZnO by volume alongside carbon fiber. This combination resulted in a total shielding value of -78.92dB at a bandwidth of 2800MHz.en_US
dc.description.sponsorshipScientific and Technological Research Council of Turkey (TBIdot;TAK) [217M431]en_US
dc.description.sponsorshipThe authors would like to thank the Scientific and Technological Research Council of Turkey (TUEB & Idot;TAK) for supporting this study by funding it as a part of the TUB & Idot;TAK, #217M431 project.en_US
dc.identifier.doi10.1016/j.jobe.2024.109343
dc.identifier.issn2352-7102
dc.identifier.scopus2-s2.0-85190740687en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org/10.1016/j.jobe.2024.109343
dc.identifier.urihttps://hdl.handle.net/20.500.14619/4992
dc.identifier.volume89en_US
dc.identifier.wosWOS:001295286200001en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.relation.ispartofJournal of Building Engineeringen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectZeoliteen_US
dc.subjectNatural pozzolanaen_US
dc.subjectZinc oxide powderen_US
dc.subjectReinforcementen_US
dc.subjectElectromagnetic shieldingen_US
dc.subjectGeopolymeren_US
dc.titleThe effects of ZnO powder and different fiber types used in tuff/calcite-based geopolymers on electromagnetic shielding effectivenessen_US
dc.typeArticleen_US

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