Electromagnetic Properties of Multifunctional Composites Based on Glass Fiber Prepreg and Ni/Carbon Fiber Veil

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dc.citation.issue2
dc.citation.volume9
dc.contributor.authorSilveira, Daniel Consoli
dc.contributor.authorGomes, Newton
dc.contributor.authorRezende, Mirabel Cerqueira [UNIFESP]
dc.contributor.authorBotelho, Edson Cocchieri
dc.coverageSao Paulo
dc.date.accessioned2020-07-17T14:02:26Z
dc.date.available2020-07-17T14:02:26Z
dc.date.issued2017
dc.description.abstractMultifunctional composites combine structural and other physicochemical properties, with major applications in aeronautical, space, telecommunication, automotive, and medical areas. This research evaluates electromagnetic properties of multifunctional composites based on glass fiber woven fabric pre-impregnated with epoxy resin laminated together carbon fiber non-woven veil metalized with Ni. In this way, searching for possible application as radar absorbing structures or electromagnetic interference shielding structures. The scattering parameters, in the frequency range of 8.2 to 12.4 GHz, show that the epoxy resin/glass fiber prepreg allows the transmission of the electromagnetic waves through its microstructure, independently of the glass fiber reinforcement orientation (98% transmission, S-24 = -0.09 dB). However, the carbon fiber/Ni veil shows highly reflector behavior (91% reflection, S-22 = -0.43 dB). Energy dispersive spectroscopy of the veil, before and after nitric acid attacks, confirmed the Ni coating removal from the carbon fiber surface. Still, the scattering parameters show reflector behavior (77% reflection, S-22 = -1.13 dB), attributed to the electrical conductivity of carbon fibers. Multifunctional composites based on glass fiber/epoxy/carbon fiber/Ni veil laminates were processed by hot compression molding. The scattering parameters show that the laminates do not behave as good radar absorbing structures. Nevertheless, the laminates present promising results for application as light weight and low thickness structural composites with electromagnetic interference shielding effectiveness (91.4% reflection for 0.36 mm thickness and 100% for similar to 1.1 mm) for buildings, aircraft, and space components.en
dc.description.affiliationUniv Estadual Paulista, Fac Engn Guaratingueta, Dept Mat & Tecnol, Ave Dr Ariberto Pereira Cunha,333 Portal das Coli, BR-12516410 Guaratingueta, SP, Brazil
dc.description.affiliationInst Technol Aeronaut, Dept Ciencia & Tecnol Aeroespacial, Lab Guerra Elect, Sao Jose Dos Campos, SP, Brazil
dc.description.affiliationUniv Fed Sao Paulo, Inst Ciencia & Tecnol Curso Engn Mat, Sao Jose Dos Campos, SP, Brazil
dc.description.affiliationUnifespUniv Fed Sao Paulo, Inst Ciencia & Tecnol Curso Engn Mat, Sao Jose Dos Campos, SP, Brazil
dc.description.sourceWeb of Science
dc.format.extent222-231
dc.identifierhttps://www.scielo.br/scielo.php?pid=S2175-91462017000200231&script=sci_arttext
dc.identifier.citationJournal Of Aerospace Technology And Management. Sao Paulo, v. 9, n. 2, p. 222-231, 2017.
dc.identifier.doi10.5028/jatm.v9i2.657
dc.identifier.fileS2175-91462017000200231.pdf
dc.identifier.issn1984-9648
dc.identifier.scieloS2175-91462017000200231
dc.identifier.urihttps://repositorio.unifesp.br/handle/11600/54806
dc.identifier.wosWOS:000399694000010
dc.language.isoeng
dc.publisherInst Aeronautica & Espaco-Iae
dc.relation.ispartofJournal Of Aerospace Technology And Management
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectComposite structuresen
dc.subjectMicrowave absorptionen
dc.subjectElectromagnetic shieldingen
dc.subjectGlass fiber reinforced plasticsen
dc.subjectCarbon fiber reinforced plasticsen
dc.titleElectromagnetic Properties of Multifunctional Composites Based on Glass Fiber Prepreg and Ni/Carbon Fiber Veilen
dc.typeinfo:eu-repo/semantics/article
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