A Practical Approach for the Calculation of the Activation Energy of the Sintering

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dc.contributor.authorPouchlý, Václavcs
dc.contributor.authorHrubý, Jancs
dc.contributor.authorMaca, Karelcs
dc.coverage.issue3cs
dc.coverage.volume48cs
dc.date.accessioned2020-08-04T11:04:29Z
dc.date.available2020-08-04T11:04:29Z
dc.date.issued2016-12-15cs
dc.description.abstractNewly developed software for calculation of activation energy (Qs in the following) of sintering using the Wang and Raj model is presented. To demonstrate the practical potential of the software and to evaluate the behaviour of the Qs during the sintering process, alumina and cubic zirconia ceramic compacts were prepared from nanometric powders. The results obtained with both materials are in agreement with previously published data calculated by different approaches. In the interval of interest (relative densities from 60 % to almost 100 % of theoretical density), both materials show similar behaviour. Three distinct regions can be seen: the initial constant values of Qs 868 kJ/mol and 762 kJ/mol for alumina and cubic zirconia, respectively; a region containing linear drop of Qs and the final region of constant Qs values 625 kJ/mol and 645 kJ/mol for alumina and cubic zirconia, respectively.en
dc.formattextcs
dc.format.extent317-324cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationScience of Sintering. 2016, vol. 48, issue 3, p. 317-324.en
dc.identifier.doi10.2298/SOS1603317Pcs
dc.identifier.issn0350-820Xcs
dc.identifier.other130451cs
dc.identifier.urihttp://hdl.handle.net/11012/63868
dc.language.isoencs
dc.publisherInternational Institute for the Science of Sinteringcs
dc.relation.ispartofScience of Sinteringcs
dc.relation.urihttp://www.doiserbia.nb.rs/img/doi/0350-820X/2016/0350-820X1603317P.pdfcs
dc.rightsCreative Commons Attribution 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/0350-820X/cs
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/cs
dc.subjectSinteringen
dc.subjectActivation energyen
dc.subjectAluminaen
dc.subjectZirconiaen
dc.titleA Practical Approach for the Calculation of the Activation Energy of the Sinteringen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-130451en
sync.item.dbtypeVAVen
sync.item.insts2020.08.04 13:04:29en
sync.item.modts2020.08.04 12:40:28en
thesis.grantorVysoké učení technické v Brně. Fakulta strojního inženýrství. Ústav materiálových věd a inženýrstvícs
thesis.grantorVysoké učení technické v Brně. Středoevropský technologický institut VUT. Pokročilé keramické materiálycs
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