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Properties of 3Y-TZP zirconia ceramics with graphene addition obtained by spark plasma sintering

dc.creatorObradović, Nina
dc.creatorKern, Frank
dc.date.accessioned2018-12-12T19:33:25Z
dc.date.available2020-06-18
dc.date.issued2018
dc.identifier.issn0272-8842
dc.identifier.urihttps://dais.sanu.ac.rs/123456789/3691
dc.identifier.urihttps://dais.sanu.ac.rs/123456789/4559
dc.description.abstractIn this study the influence of graphene addition on the microstructure, phase composition, mechanical, and electrical properties of 3Y-TZP ceramics was investigated. Blends of pure 3Y-TZP and with addition of 1 − 4 vol% graphene were prepared by mixing and milling, and they were consolidated by spark plasma sintering (SPS). Addition of 3 vol% graphene is necessary to overcome the percolation threshold and obtain electrically conductive composites. However, rising the graphene contents obstructs sinterability. Hence, flexural strength, Young's modulus, and hardness decrease with increasing the graphene content, and the fracture resistance reaches an intermediate maximum at 2 vol% graphene. Graphene lamellae are oriented orthogonally to the pressing direction. They evidently provide some energy dissipation by crack deflection. TZP-graphene interfaces are very weak. Thus, crack bridging can be neglected. © 2018 Elsevier Ltd and Techna Group S.r.l.en
dc.publisherElsevier
dc.relationDAAD scholarship project "Development of materials and manufacturing technologies for electric discharge machinable Zirconia–CNT/Graphene composites"
dc.rightsembargoedAccess
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/
dc.sourceCeramics International
dc.subjectgraphene
dc.subjectmechanical properties
dc.subjectSEM
dc.subjectSPS
dc.subjectXRD
dc.subjectzirconia
dc.titleProperties of 3Y-TZP zirconia ceramics with graphene addition obtained by spark plasma sinteringen
dc.typearticleen
dc.rights.licenseBY-NC-ND
dcterms.abstractОбрадовић, Нина; Керн, Франк;
dc.citation.spage16931
dc.citation.epage16936
dc.citation.volume44
dc.citation.issue14
dc.identifier.wos000442714100103
dc.identifier.doi10.1016/j.ceramint.2018.06.133
dc.identifier.scopus2-s2.0-85048716510
dc.description.otherThis is the peer-reviewed version of the article: Obradović, N., Kern, F., 2018. Properties of 3Y-TZP zirconia ceramics with graphene addition obtained by spark plasma sintering. Ceramics International 44, 16931–16936. [https://doi.org/10.1016/j.ceramint.2018.06.133]
dc.type.versionacceptedVersion
dc.identifier.fulltexthttps://dais.sanu.ac.rs/bitstream/id/14244/CERI-D-18-04486R1.pdf
dc.identifier.rcubhttps://hdl.handle.net/21.15107/rcub_dais_4559


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