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dc.creatorObradović, Nina
dc.creatorFahrenholtz, William G.
dc.creatorFilipović, Suzana
dc.creatorMarković, Smilja
dc.creatorBlagojević, Vladimir A.
dc.creatorLević, Steva
dc.creatorSavić, Slobodan
dc.creatorDjordjević, Antonije
dc.creatorPavlović, Vladimir
dc.date.accessioned2020-12-17T22:54:50Z
dc.date.available2020-12-17T22:54:50Z
dc.date.issued2020
dc.identifier.issn1388-6150
dc.identifier.urihttp://aspace.agrif.bg.ac.rs/handle/123456789/5344
dc.description.abstractSolid-state mechanical activation of MgO and alpha-Al2O3 powders was used to produce MgAl2O4. The cation site occupancy in the resulting MgAl2O4 spinel was investigated using different methods. Differential thermal analysis and thermal gravimetry showed that mechanical activation reduced the spinel formation temperature by around 200 degrees C, and the corresponding activation energy by about 25%. In addition, characteristic temperatures for evaporation of physisorbed water and decomposition of Mg(OH)(2) shifted to lower values, and peaks were more pronounced. Raman spectra were used to characterize the degree of inversion as a function of the sintering temperature for all of the sintered specimens, indicating that the breaking point for ordering of the crystal structure was around 1500 degrees C for non-activated samples, and 1400 degrees C for activated samples.en
dc.publisherSpringer, Dordrecht
dc.relationinfo:eu-repo/grantAgreement/MESTD/Basic Research (BR or ON)/172057/RS//
dc.rightsopenAccess
dc.sourceJournal of Thermal Analysis and Calorimetry
dc.subjectMechanical activationen
dc.subjectDTAen
dc.subjectRaman spectroscopyen
dc.subjectSintering kineticsen
dc.subjectSpinelen
dc.titleFormation kinetics and cation inversion in mechanically activated MgAl2O4 spinel ceramicsen
dc.typearticle
dc.rights.licenseARR
dc.citation.epage107
dc.citation.issue1
dc.citation.other140(1): 95-107
dc.citation.rankM21
dc.citation.spage95
dc.citation.volume140
dc.identifier.doi10.1007/s10973-019-08846-w
dc.identifier.fulltexthttp://aspace.agrif.bg.ac.rs/bitstream/id/3841/5341.pdf
dc.identifier.scopus2-s2.0-85074007393
dc.identifier.wos000520712700006
dc.type.versionpublishedVersion


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