The effects of fabric lamination angle and ply number on electromagnetic shielding effectiveness of weft knitted fabric-reinforced polypropylene composites

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dc.authorid0000-0002-4849-9483
dc.authorid0000-0003-1389-6435
dc.authorscopusid36477846000
dc.authorscopusid6603904545
dc.authorscopusid56000080300
dc.authorwosidSOYASLAN, DEVRİM DEMİRAY/AAP-9426-2021
dc.authorwosidGÖKTEPE, ÖZER/ABA-5620-2020
dc.contributor.authorSoyaslan, Devrim
dc.contributor.authorGöktepe, Özer
dc.contributor.authorÇömlekçi, Selçuk
dc.date.accessioned2022-05-11T14:27:01Z
dc.date.available2022-05-11T14:27:01Z
dc.date.issued2014
dc.departmentFakülteler, Çorlu Mühendislik Fakültesi, Tekstil Mühendisliği Bölümü
dc.description.abstractIn this study, it was aimed to investigate the effects of fabric lamination angle and fabric ply number on electromagnetic shielding effectiveness (EMSE) of weft knitted fabric-reinforced polypropylene composites. Knitted fabric-reinforced composites are composed of aramid yarn, polypropylene yarn, and copper wire. Polypropylene is the matrix phase and the aramid yarn and copper wires are the reinforcement phase of the composite materials. It was achieved to form 1.5 to 3 mm thickness composites. The composites have nearly 20-50 dB electromagnetic shielding values. To form the knitted fabrics, 7G semiautomatic flat knitting machine was used. The composites were formed by a laboratory-type hot press. EMSE of composites were tested by using ASTM D 4935 coaxial test fixture in 27-3000 MHz frequency band. Lamination angle and ply number parameters were examined related to EMSE of structures. For this study, three different structures were knitted and named as plain knit, 1 x 1 rib knit, and half cardigan knit. To determine the effect of lamination angle of composites on electromagnetic shielding performance, the composites were produced in two different lamination angles as 0 degrees/90 degrees/0 degrees/90 degrees and 0 degrees/45 degrees/0 degrees/45 degrees. To determine the effect of fabric ply number of composites on electromagnetic shielding performance, the composites were produced in two and four plies. It was observed that the fabric ply number and lamination angle does not affect the EMSE of composite materials very much. It was determined that weft knitted reinforced composite structures have appropriate and high EMSE values for electromagnetic applications. This knitted fabric-reinforced polypropylene composites are flexible and suitable for other industrial applications as civil engineering, aerospace, etc.
dc.description.sponsorshipBoard of Project of Suleyman Demirel UniversitySuleyman Demirel University [1438-D-06]; Scientific and Technological Research Council of Turkey (TUBITAK)Turkiye Bilimsel ve Teknolojik Arastirma Kurumu (TUBITAK) [107-M-368]
dc.description.sponsorshipThe authors would like to thank The Board of Project of Suleyman Demirel University (project number 1438-D-06) and The Scientific and Technological Research Council of Turkey (TUBITAK; project number 107-M-368) for the provision of a Ph.D. scholarship to one of us (D.S.). They also thank York EMC Services Ltd. for testing the shielding effectiveness tests.
dc.identifier.doi10.1515/secm-2013-0045
dc.identifier.endpage135
dc.identifier.issn0334-181X
dc.identifier.issn2191-0359
dc.identifier.issue1en_US
dc.identifier.scopus2-s2.0-84898612974
dc.identifier.scopusqualityQ2
dc.identifier.startpage129
dc.identifier.urihttps://doi.org/10.1515/secm-2013-0045
dc.identifier.urihttps://hdl.handle.net/20.500.11776/6688
dc.identifier.volume21
dc.identifier.wosWOS:000330123100015
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorGöktepe, Özer
dc.language.isoen
dc.publisherWalter De Gruyter Gmbh
dc.relation.ispartofScience and Engineering of Composite Materials
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectcomposites
dc.subjectelectromagnetic shielding
dc.subjectpolypropylene
dc.subjectweft knitting
dc.subjectElectrical-Properties
dc.subjectWoven Fabrics
dc.titleThe effects of fabric lamination angle and ply number on electromagnetic shielding effectiveness of weft knitted fabric-reinforced polypropylene composites
dc.typeArticle

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