Show simple item record

dc.creatorFilipovic, S.
dc.creatorObradovic, N.
dc.creatorPavlović, Vladimir B.
dc.creatorMitrić, Miodrag
dc.creatorDordevic, A.
dc.creatorKachlik, M.
dc.creatorMaca, K.
dc.date.accessioned2018-03-01T16:50:38Z
dc.date.available2018-03-01T16:50:38Z
dc.date.issued2016
dc.identifier.issn0272-8842 (print)
dc.identifier.issn1873-3956 (electronic)
dc.identifier.urihttp://vinar.vin.bg.ac.rs/handle/123456789/1037
dc.description.abstractThe aim of this study is to explore the influence of the processing route on the structural and physical properties of bulk MgTiO3 ceramics. Commercially available MgO and TiO2 powders were mechanically activated in a planetary ball mill. Green bodies were formed by an isostatic pressure of 300 MPa. The sintering of these samples was done either by the Two-Step Sintering (TSS) approach or by conventional pressureless sintering followed by Hot Isostatic Pressing (post-HIPing). The first set of compacts was sintered by TSS in air at 1300 degrees C for 30 min and the next step was performed at 1200 degrees C for 20 h. The density of the obtained samples after the two-step sintering reached almost 90% of the theoretical density (%TD). The second set of compacts was sintered at 1400 degrees C for 30 min in air. The samples without open porosity were post-sintered by the HIP at 1200 degrees C for 2 h in an argon atmosphere at a pressure of 200 MPa. The density significantly increased up to 96%TD. The differences between samples prepared by these two techniques were also analyzed by XRD and SEM. The lattice vibration spectra were obtained using Raman spectroscopy and they indicate a high degree of lattice disorder, as well as high values of the oxygen vacancy concentration. Electrical characteristic were established in the frequency range from 10 kHz to 10 GHz. The choice of the processing route had considerable influence on structural and physical properties of MgTiO3 ceramics. (C) 2016 Elsevier Ltd and Techna Group S.r.l. All rights reserved.en
dc.relationinfo:eu-repo/grantAgreement/MESTD/Basic Research (BR or ON)/172057/RS//
dc.relationGrant agency of the Czech Republic [15-06390S], Ministry of Education, Youth and Sports of the Czech Republic [LQ1601]
dc.rightsrestrictedAccessen
dc.sourceCeramics Internationalen
dc.subjectMillingen
dc.subjectSinteringen
dc.subjectDefectsen
dc.subjectMicrostructure-finalen
dc.subjectDielectric propertiesen
dc.titleEffect of consolidation parameters on structural, microstructural and electrical properties of magnesium titanate ceramicsen
dc.typearticleen
dcterms.abstractДордевиц, A.; Филиповиц, С.; Маца, К.; Обрадовиц, Н.; Павловиц, В. Б.; Митрић Миодраг; Кацхлик, М.;
dc.citation.volume42
dc.citation.issue8
dc.citation.spage9887
dc.citation.epage9898
dc.identifier.wos000374811600074
dc.identifier.doi10.1016/j.ceramint.2016.03.088
dc.citation.rankM21
dc.identifier.scopus2-s2.0-84977955873


Files in this item

Thumbnail

This item appears in the following Collection(s)

Show simple item record