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Sintering process influence on microstructure and intergranular impedance of rare-earth modified BaTiO3-ceramics
dc.creator | Mitić, Vojislav V. | |
dc.creator | Paunović, Vesna | |
dc.creator | Pavlović, Vera P. | |
dc.creator | Živković, Ljiljana | |
dc.date.accessioned | 2017-06-10T15:45:07Z | |
dc.date.issued | 2011 | |
dc.identifier.issn | 1820-7413 | |
dc.identifier.issn | 0350-820X | |
dc.identifier.uri | https://dais.sanu.ac.rs/123456789/198 | |
dc.description.abstract | Sintering process is a complex of different synergetic effects during the ceramics materials consolidation. The microstructural level properties control is very important as a stage in advanced materials prognosis. SEM analysis of Yb/BaTiO3 doped ceramics showed that in samples doped with a low level of dopant and sintered at higher temperatures the grain size ranged from 10-60μm, while with the higher dopant concentration the grain size ranged between 2-15μm. The morphology of sintered BaTiO3-ceramics grains points out the validity of developing new structure analytical methods based on different geometries of grains' model systems. The idea of electrical properties of BaTiO3-ceramics being influenced by intergrain microcontacts can be successfully followed if we start with the two-sphere Coble’s model and also the correction of the Coble’s model. In this paper, the grains contact models based on spherical, ellipsoidal and polyhedral geometries are presented making a new modeling tool for structure research of BaTiO3-ceramics materials. Intergranular impedance analysis of grains clusters was also introduced. Obtained results enabled establishment of interrelation between structural and electrical parameters. | en |
dc.format | application/pdf | |
dc.language | en | |
dc.publisher | Belgrade : International Institute for the Science of Sintering | |
dc.relation | info:eu-repo/grantAgreement/MESTD/Basic Research (BR or ON)/172057/RS// | |
dc.rights | openAccess | |
dc.rights.uri | https://creativecommons.org/licenses/by-nc-nd/4.0/ | |
dc.source | Science of Sintering | en |
dc.subject | BaTiO3 | |
dc.subject | barium titanate | |
dc.subject | microstructure | |
dc.subject | sintering | |
dc.subject | intergranular impedance | |
dc.subject | Coble’s model | |
dc.title | Sintering process influence on microstructure and intergranular impedance of rare-earth modified BaTiO3-ceramics | en |
dc.type | article | |
dc.rights.license | BY | |
dcterms.abstract | Живковић, Љ.; Митић, Војислав В.; Пауновић, Весна; Павловић, Вера П.; | |
dc.citation.spage | 277 | |
dc.citation.epage | 287 | |
dc.citation.volume | 43 | |
dc.citation.issue | 3 | |
dc.identifier.wos | 000305094400011 | |
dc.identifier.wos | 000305094400011 | |
dc.identifier.doi | 10.2298/SOS1103343V | |
dc.identifier.scopus | 2-s2.0-84857180016 | |
dc.type.version | publishedVersion | |
dc.identifier.fulltext | https://dais.sanu.ac.rs/bitstream/id/20088/195.pdf | |
dc.identifier.rcub | https://hdl.handle.net/21.15107/rcub_dais_198 |