Cakan, N.Issa, A. A.Alsalman, H.Aliyev, EminDuden, E. I.Gurcan Bayrak, K.Caglar, M.Turan, S.Erkartal, M.2024-03-142024-03-142023-12-091944-8244https://hdl.handle.net/11693/114747Ceramicmatrixcomposites(CMCs)reinforcedwithnanocarbonhaveattractedsignificantinterestdue to theirpotentialto enhancemechanical,thermal,andelectricalproperties.Althoughthe investigationof carbon-basedmaterialssuchas grapheneandcarbonnanotubesas additivesfor advancedceramicshasbeenwidespread,theutilizationof metal−organicframework(MOF)-derivednanocarbonsin CMCsremainslargelyunexplored.We extendedour previousproof-of-conceptinvestigationsby demonstratingthe effectivenessofa differenttypeof MOF-derivedcarbonas a reinforcingphasein an alternativeceramicmatrix.We employedsparkplasmasintering(SPS)to consolidateyttria-stabilizedzirconia(YSZ)andzeoliticimidazolateframework(ZIF-67)powderblendsat 1300°C and a uniaxialpressureof 50 MPa.YSZservesas the ceramicmatrix,whereasZIF-67servesas the nanocarbonsource.Thecompositeexhibitsa highlysignificantimprovementin fracturetoughnesswithan increaseof up to13%comparedto thatof the YSZmonolith.Theformationof ZIF-derivednanocarboninterlayersis responsiblefor the observedenhancementin ductility,whichcan be attributedto theirabilityto facilitateenergydissipationduringcrackpropagationand inhibitgraingrowth.Furthermore,the room-temperatureelectricalconductivityof the sinteredsamplesdemonstratesa substantialimprovement,primarilydue to the in situ formationof nanocarbon-basedfillers,reachingan impressive27 S/mwith10 wt % ZIF-67content.Basedon the results,it can be inferredthatthe incorporationof in situ MOF-derivednanocarbonsintoCMCsleadsto asubstantialimprovementin boththe mechanicaland electricalproperties.enCC BY-NC-ND 4.0 Deed (Attribution-NonCommercial-NoDerivs 4.0 International)https://creativecommons.org/licenses/by-nc-nd/4.0/Ceramic matrix compositesMetal−organic framework-derived nanocarbonsourcesZeolitic imidazolate frameworkYttria-stabilizedzirconiaSpark plasma sinteringEnhancing the properties of yttria-stabilized zirconia composites with zeolitic imidazolate framework-derived nanocarbonsArticle10.1021/acsami.3c153591944-8252