Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/2320
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dc.contributor.authorKes, Mürşide-
dc.contributor.authorPolat, Hürriyet-
dc.contributor.authorKeleşoğlu, Serkan-
dc.contributor.authorPolat, Mehmet-
dc.contributor.authorAksoy, Gökhan-
dc.date.accessioned2016-10-24T13:03:47Z
dc.date.available2016-10-24T13:03:47Z
dc.date.issued2009-11
dc.identifier.citationKes, M., Polat, H., Keleşoğlu, S., Polat, M., and Aksoy, G. (2009). Determination of the particle interactions, rheology and the surface roughness relationship for dental restorative ceramics. Journal of the European Ceramic Society, 29(14), 2959-2967. doi:10.1016/j.jeurceramsoc.2009.04.015en_US
dc.identifier.issn0955-2219
dc.identifier.issn0955-2219-
dc.identifier.issn1873-619X-
dc.identifier.urihttp://dx.doi.org/10.1016/j.jeurceramsoc.2009.04.015
dc.identifier.urihttp://hdl.handle.net/11147/2320
dc.description.abstractThe effect of inter-particle interactions on the slurry properties and the final surface roughness of the dental ceramic restoratives was investigated. A commercial dental ceramic powder, IPS Empress 2 veneer, was used as the raw material. The magnitudes of the particle-particle interactions were computed by the DLVO theory for the ceramic slurries of different electrolyte solutions (0.1 M, 0.25 M, 0.5 M, 0.75 M, 1 M NaCl and CaCl2). As expected, the energies of particle-particle interactions were influenced significantly by the presence of electrolytes. These computations demonstrated that addition of electrolytes leads to a progressive depression of the repulsive double layer forces. The absence of these forces should inevitably lead to agglomeration caused by the ever-present van der Waals forces. The rheological measurements carried out using the slurries with same solution properties supported the findings of the DLVO computations. It was found that dental ceramic slurries showed a Newtonian behavior in the absence of electrolytes, which is indicative of little or no agglomeration in the slurry. On the other hand, the same slurries displayed a non-Newtonian, shear thinning behavior in the presence of electrolytes which can be attributed to agglomeration or gelation. Roughness of the ceramic surfaces produced from these slurries was studied by SEM analysis and profilometer measurements. Contact angle studies were also carried out on the same surfaces. It was observed that the surface became rougher initially with electrolyte addition to a maximum, most probably due to formation of isolated agglomerates due to a reduction of the repulsive double layer forces. After reaching a maximum, surface roughness decreased to a much lower value with further increase in electrolyte concentration. This was most probably caused by the formation of a relatively homogeneous, gel-like structure within the extensively agglomerated slurry due to a complete collapse of the double layer.en_US
dc.description.sponsorshipİzmir Institute of Technology (Project no: 2006 İYTE 14)en_US
dc.language.isoenen_US
dc.publisherElsevier Ltd.en_US
dc.relation.ispartofJournal of the European Ceramic Societyen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectCeramicen_US
dc.subjectDental ceramicsen_US
dc.subjectDLVOen_US
dc.subjectInter-particle interactionsen_US
dc.subjectRheologyen_US
dc.subjectSurface propertiesen_US
dc.titleDetermination of the particle interactions, rheology and the surface roughness relationship for dental restorative ceramicsen_US
dc.typeArticleen_US
dc.authoridTR6387en_US
dc.authoridTR20247en_US
dc.institutionauthorKes, Mürşide-
dc.institutionauthorPolat, Hürriyet-
dc.institutionauthorKeleşoğlu, Serkan-
dc.institutionauthorPolat, Mehmet-
dc.departmentİzmir Institute of Technology. Chemistryen_US
dc.departmentİzmir Institute of Technology. Chemical Engineeringen_US
dc.identifier.volume29en_US
dc.identifier.issue14en_US
dc.identifier.startpage2959en_US
dc.identifier.endpage2967en_US
dc.identifier.wosWOS:000269139600008en_US
dc.identifier.scopus2-s2.0-67650693795en_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.identifier.doi10.1016/j.jeurceramsoc.2009.04.015-
dc.relation.doi10.1016/j.jeurceramsoc.2009.04.015en_US
dc.coverage.doi10.1016/j.jeurceramsoc.2009.04.015en_US
dc.identifier.wosqualityQ1-
dc.identifier.scopusqualityQ1-
item.fulltextWith Fulltext-
item.openairetypeArticle-
item.cerifentitytypePublications-
item.grantfulltextopen-
item.languageiso639-1en-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
crisitem.author.dept04.01. Department of Chemistry-
crisitem.author.dept03.02. Department of Chemical Engineering-
Appears in Collections:Chemical Engineering / Kimya Mühendisliği
Chemistry / Kimya
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection
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