Co-extrusion of zirconia core-shell rods with controlled porosity in the core

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dc.contributor.authorKaštyl, Jaroslavcs
dc.contributor.authorPouchlý, Václavcs
dc.contributor.authorTrunec, Martincs
dc.coverage.issue3cs
dc.coverage.volume12cs
dc.date.accessioned2023-10-02T06:53:21Z
dc.date.available2023-10-02T06:53:21Z
dc.date.issued2018-10-01cs
dc.description.abstractA method for manufacturing bi-layered zirconia rods of core-shell geometry with a porous core and a dense shell has been developed. Core-shell rods were successfully prepared by thermoplastic co-extrusion of assembled feed rods composed of core and shell zirconia feedstocks. Rheological analysis and adjustment of the feedstock viscosities enabled co-extrusion of regular core-shell rods of uniform shell thickness. Tapioca starch was used as a pore-forming agent in the core feedstock. Binder removal and high temperature treatment had to be modified in order to safely remove the starch particles. Sintering analysis revealed constrained sintering of porous cores in the core-shell rods due to the rigid dense shell, which resulted in an increased porosity in the core. Defect-free core-shell rods with a core porosity of up to 40% and different thicknesses of the dense shell were prepared.en
dc.formattextcs
dc.format.extent231-240cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationProcessing and Application of Ceramics. 2018, vol. 12, issue 3, p. 231-240.en
dc.identifier.doi10.2298/PAC1803230Kcs
dc.identifier.issn1820-6131cs
dc.identifier.orcid0000-0001-8145-604Xcs
dc.identifier.orcid0000-0002-3301-026Xcs
dc.identifier.orcid0000-0001-6402-7518cs
dc.identifier.other150643cs
dc.identifier.researcheridG-8477-2014cs
dc.identifier.researcheridD-6853-2012cs
dc.identifier.researcheridA-7957-2009cs
dc.identifier.scopus56600676100cs
dc.identifier.scopus6603323803cs
dc.identifier.urihttp://hdl.handle.net/11012/214124
dc.language.isoencs
dc.relation.ispartofProcessing and Application of Ceramicscs
dc.relation.urihttp://www.tf.uns.ac.rs/publikacije/PAC/pdf/PAC%2041%2004.pdfcs
dc.rightsCreative Commons Attribution-NonCommercial-NoDerivatives 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/1820-6131/cs
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/cs
dc.subjectcore-shellen
dc.subjectzirconiaen
dc.subjectcompositesen
dc.subjectextrusionen
dc.subjectporosityen
dc.titleCo-extrusion of zirconia core-shell rods with controlled porosity in the coreen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-150643en
sync.item.dbtypeVAVen
sync.item.insts2023.10.12 12:52:49en
sync.item.modts2023.10.12 12:14:29en
thesis.grantorVysoké učení technické v Brně. Fakulta strojního inženýrství. Ústav materiálových věd a inženýrstvícs
thesis.grantorVysoké učení technické v Brně. Středoevropský technologický institut VUT. Pokročilá multifunkční keramikacs
thesis.grantorVysoké učení technické v Brně. Středoevropský technologický institut VUT. Pokročilé keramické materiálycs
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Pokročilá multifunkční keramika
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