Improving contact damage resistance of spinel translucent ceramics through a multi-layer design

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dc.contributor.authorNajafzadehkhoee, Aliasgharcs
dc.contributor.authorJabr, Abdullahcs
dc.contributor.authorTalimian, Alics
dc.contributor.authorPapšík, Romancs
dc.contributor.authorDrdlík, Danielcs
dc.contributor.authorMaca, Karelcs
dc.contributor.authorGalusek, Dušancs
dc.contributor.authorBermejo, Raulcs
dc.coverage.issue4cs
dc.coverage.volume45cs
dc.date.accessioned2025-05-27T09:57:14Z
dc.date.available2025-05-27T09:57:14Z
dc.date.issued2025-04-01cs
dc.description.abstractThe brittle response of transparent spinel ceramics to contact damage is limiting their application as an alternative to glasses and single crystals. In this work, we explore a strategy to enhance the contact damage resistance of spinel ceramics by embedding alumina layers in a multi-layer architecture. Crack initiation upon Hertzian indentation was investigated in MgAl2O4 - Al2O3 laminates and compared to their corresponding monoliths. Contact stresses during loading were analyzed using finite element simulations by considering the elastic properties of the layers and contact non-linearities. Results were analyzed using Weibull statistics. It was found that the effect of in-plane residual stresses on crack formation in the laminate depends on the disposition of the compressive spinel layers, either at the surface or embedded in the structure. Embedding alumina between spinel layers increased the load-bearing capability before crack initiation by similar to 70 % compared to spinel, offering a promising approach to enhance contact damage resistance.en
dc.formattextcs
dc.format.extent1-9cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationJOURNAL OF THE EUROPEAN CERAMIC SOCIETY. 2025, vol. 45, issue 4, p. 1-9.en
dc.identifier.doi10.1016/j.jeurceramsoc.2024.117071cs
dc.identifier.issn1873-619Xcs
dc.identifier.orcid0000-0003-4545-7779cs
dc.identifier.orcid0000-0002-7535-6920cs
dc.identifier.other193824cs
dc.identifier.researcheridE-1633-2012cs
dc.identifier.researcheridD-7520-2012cs
dc.identifier.scopus51863504600cs
dc.identifier.scopus6603065815cs
dc.identifier.urihttps://hdl.handle.net/11012/251066
dc.language.isoencs
dc.publisherElseviercs
dc.relation.ispartofJOURNAL OF THE EUROPEAN CERAMIC SOCIETYcs
dc.relation.urihttps://www.sciencedirect.com/science/article/pii/S0955221924009440cs
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.subjectTransparenten
dc.subjectContact damageen
dc.subjectMulti-layersen
dc.subjectResidual stressesen
dc.subjectHertzian indentationen
dc.titleImproving contact damage resistance of spinel translucent ceramics through a multi-layer designen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-193824en
sync.item.dbtypeVAVen
sync.item.insts2025.05.27 11:57:14en
sync.item.modts2025.05.27 11:33:32en
thesis.grantorVysoké učení technické v Brně. Fakulta strojního inženýrství. ÚMVI-odbor keramiky a polymerůcs
thesis.grantorVysoké učení technické v Brně. Středoevropský technologický institut VUT. Pokročilá multifunkční keramikacs
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ÚMVI-odbor keramiky a polymerů
Pokročilá multifunkční keramika