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dc.creatorKokunešoski, Maja
dc.creatorŠaponjić, Aleksandra
dc.creatorMaksimović, Vesna M.
dc.creatorStanković, Miroslav
dc.creatorPavlović, Mirjana
dc.creatorPantic, Jelena
dc.creatorMajstorovic, Jelena
dc.date.accessioned2019-01-30T17:39:31Z
dc.date.available2019-01-30T17:39:31Z
dc.date.issued2014
dc.identifier.issn0272-8842
dc.identifier.urihttps://cer.ihtm.bg.ac.rs/handle/123456789/1432
dc.description.abstractIntention of this work was to obtain porous silicon dioxide ceramics by using boric acid as an inexpensive additive at low forming pressure and low sintering temperature. Starting raw material, smectite clay from surface coal mine Kolubara, Serbia, was purified from organic and inorganic impurities by using heat and chemical treatment. Boric acid was used as binding and sintering aid in amount of 0.5, 1 and 2 wt%. Powder was compacted by using different pressures: 40, 60 and 80 MPa. Pressed samples were sintered at 850, 1000, 1150, and 1300 degrees C for 4 h in air. A relatively high porosity of nearly 40% is obtained for the samples pressed at 40, 60 and 80 MPa and sintered at 1000 degrees C. Median pore size diameters are in the range of macroporous up to 0.2 mu m and 10 mu m in the samples sintered at 1150 and 1300 degrees C, respectively. X-ray diffraction (XRD), scaning electron microscopy (SEM), and porosimetry measurements were employed to characterize the phases and microstructure of the obtained ceramics. The relations between mechanical characteristics of samples (Young modulus and Poisson ratio) and content of boric acid were studied.en
dc.publisherElsevier Sci Ltd, Oxford
dc.relationinfo:eu-repo/grantAgreement/MESTD/Integrated and Interdisciplinary Research (IIR or III)/45012/RS//
dc.rightsrestrictedAccess
dc.sourceCeramics International
dc.subjectSinteringen
dc.subjectPorosityen
dc.subjectClaysen
dc.subjectBoric aciden
dc.titlePreparation and characterization of clay-based porous ceramics with boric acid as additiveen
dc.typearticle
dc.rights.licenseARR
dcterms.abstractМајсторовиц, Јелена; Максимовић, Весна М.; Сапоњиц, Aлександра; Кокунесоски, Маја; Станковић, Мирослав; Павловић, Мирјана; Пантиц, Јелена;
dc.citation.volume40
dc.citation.issue9
dc.citation.spage14191
dc.citation.epage14196
dc.citation.other40(9): 14191-14196
dc.citation.rankM21
dc.identifier.doi10.1016/j.ceramint.2014.06.007
dc.identifier.rcubConv_3213
dc.identifier.scopus2-s2.0-84905923095
dc.identifier.wos000341463500056
dc.type.versionpublishedVersion


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