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dc.contributor.authorSasikala, T S-
dc.contributor.authorSebastian, M T-
dc.date.accessioned2017-05-25T06:40:32Z-
dc.date.available2017-05-25T06:40:32Z-
dc.date.issued2016-01-19-
dc.identifier.citationCeramics International 42:7551-7563en_US
dc.identifier.urihttp://hdl.handle.net/123456789/2813-
dc.description.abstractPolytetrafluroethylene (PTFE)–Mg2SiO4 composites havebeenpreparedusingbothmicronandnano-ceramic fillers byhotpressing.The dielectric propertiesofthecompositesareinvestigatedbothatradioandmicrowavefrequencyrangesasafunctionof filler loadingupto 50 vol%.Thedielectricconstantandlosstangentincreaseswith filler volumefraction.Thecompositewith50vol%micro-filler hasadielectric constant of3.2andlosstangent0.009at5GHzwithVickersmicrohardness16HV.Thesurfaceofceramicparticleswasmodified bysilane treatment. Thesurfacemodification reducedporosityandmoistureabsorptionandimprovedthemicrohardness.TheCTEofthecomposite decreased andthermalconductivityincreasedwith filler loading.NanopowdersofMg2SiO4 has alsobeenpreparedbysol–gel methodand composite hasbeenmadewithPTFE.Thenanocompositehashighermoistureabsorption,dielectricconstantandlosstangentbutlowerCTE value. ThePTFE–Mg2SiO4 composites arepossiblecandidateformicrowavesubstratesapplicationsen_US
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.subjectHotpressingen_US
dc.subjectCompositesen_US
dc.subjectMicrowavesubstratesen_US
dc.subjectPTFE–ceramicen_US
dc.subjectForsteriteen_US
dc.titleMechanical, thermal and microwave Dielectric Properties of Mg2SiO4 Filled Polyteterafluoroethylene Compositesen_US
dc.typeArticleen_US
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