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Sintering Process Influence on Microstructure and Intergranular Impedance of Rare-Earth Modified BaTiO3-Ceramics
dc.creator | Mitić, V.V. | |
dc.creator | Paunović, V. | |
dc.creator | Pavlović, Vladimir | |
dc.creator | Zivković, Lj | |
dc.date.accessioned | 2020-12-17T20:08:37Z | |
dc.date.available | 2020-12-17T20:08:37Z | |
dc.date.issued | 2011 | |
dc.identifier.issn | 0350-820X | |
dc.identifier.uri | http://aspace.agrif.bg.ac.rs/handle/123456789/2610 | |
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 10-60 mu m, while with the higher dopant concentration the grain, size ranged between 2-15 mu m. 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.publisher | Međunarodni Institut za nauku o sinterovanju, Beograd | |
dc.relation | Serbian Academy of Sciences and Arts [172057, F-7, F/198] | |
dc.rights | openAccess | |
dc.rights.uri | https://creativecommons.org/licenses/by/4.0/ | |
dc.source | Science of Sintering | |
dc.subject | BaTiO3 | en |
dc.subject | microstructure | en |
dc.subject | Sintering | en |
dc.subject | Intergranular impedance | en |
dc.subject | Coble's model | en |
dc.title | Sintering Process Influence on Microstructure and Intergranular Impedance of Rare-Earth Modified BaTiO3-Ceramics | en |
dc.type | article | |
dc.rights.license | BY | |
dc.citation.epage | 287 | |
dc.citation.issue | 3 | |
dc.citation.other | 43(3): 277-287 | |
dc.citation.rank | M23 | |
dc.citation.spage | 277 | |
dc.citation.volume | 43 | |
dc.identifier.doi | 10.2298/SOS1103277M | |
dc.identifier.fulltext | http://aspace.agrif.bg.ac.rs/bitstream/id/1368/2607.pdf | |
dc.identifier.scopus | 2-s2.0-84857180917 | |
dc.identifier.wos | 000305094400004 | |
dc.type.version | publishedVersion |