Transparent LiOH-doped magnesium aluminate spinel produced by spark plasma sintering: Effects of heating rate and dopant concentration

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dc.contributor.authorPouchlý, Václavcs
dc.contributor.authorTalimian, Alics
dc.contributor.authorKaštyl, Jaroslavcs
dc.contributor.authorChvíla, Martincs
dc.contributor.authorŠčasnovič, Erikcs
dc.contributor.authorBeltran, Ana Mariacs
dc.contributor.authorLozano , Juan Gabrielcs
dc.contributor.authorGalusek, Dušancs
dc.coverage.issue8cs
dc.coverage.volume43cs
dc.date.issued2023-07-01cs
dc.description.abstractThe effects of LiOH doping of magnesium aluminate spinel powders and various Spark Plasma Sintering (SPS) schedules on densification behavior and final transparency of polycrystalline magnesium aluminate spinel were studied. Two commercial magnesium aluminate spinel powders, with different specific surface areas, were doped with up to 0.6 wt% of LiOH and consolidated using SPS with slow (2.75 degrees C/min) and fast (100 degrees C/min) heating rates. The slow heating rate was optimal for undoped magnesium aluminate spinel (LiOH-free) with the best real in-line transmittance (RIT) of 84.8% (measured at 633 nm on a disc 0.8 mm thick). For the magnesium aluminate spinel doped with 0.3 wt% of LiOH, the fast heating rate was beneficial, and an RIT of 76.5% was achieved. mu-Raman analysis confirmed that the addition of LiOH suppressed carbon contamination.en
dc.formattextcs
dc.format.extent3544-3552cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationJOURNAL OF THE EUROPEAN CERAMIC SOCIETY. 2023, vol. 43, issue 8, p. 3544-3552.en
dc.identifier.doi10.1016/j.jeurceramsoc.2023.01.059cs
dc.identifier.issn1873-619Xcs
dc.identifier.orcid0000-0002-3301-026Xcs
dc.identifier.orcid0000-0001-8145-604Xcs
dc.identifier.other184139cs
dc.identifier.researcheridD-6853-2012cs
dc.identifier.researcheridG-8477-2014cs
dc.identifier.scopus56600676100cs
dc.identifier.urihttp://hdl.handle.net/11012/213604
dc.language.isoencs
dc.publisherElseviercs
dc.relation.ispartofJOURNAL OF THE EUROPEAN CERAMIC SOCIETYcs
dc.relation.urihttps://www.sciencedirect.com/science/article/pii/S0955221923000729cs
dc.rightsCreative Commons Attribution-NonCommercial-NoDerivatives 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/1873-619X/cs
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/cs
dc.subjectSpark plasma sinteringen
dc.subjectMgO spinelen
dc.subjectOptical propertiesen
dc.titleTransparent LiOH-doped magnesium aluminate spinel produced by spark plasma sintering: Effects of heating rate and dopant concentrationen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-184139en
sync.item.dbtypeVAVen
sync.item.insts2025.02.03 15:49:06en
sync.item.modts2025.01.17 18:33:01en
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
thesis.grantorVysoké učení technické v Brně. Středoevropský technologický institut VUT. Magneto-Optická a THz Spektroskopiecs
thesis.grantorVysoké učení technické v Brně. Středoevropský technologický institut VUT. Pokročilá multifunkční keramikacs
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Pokročilá multifunkční keramika
Magneto-Optická a THz Spektroskopie
Pokročilé keramické materiály
Ústav materiálových věd a inženýrství