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Processing and properties of dense cordierite ceramics obtained through solid-state reaction and pressure-less sintering

Thumbnail
2019
AAC-S-18-00143.pdf (1.075Mb)
Authors
Obradović, Nina
Pavlović, Vera P.
Kachlik, Martin
Maca, Karel
Olćan, Dragan
Đorđević, Antonije
Tshantshapanyan, Ani
Vlahović, Branislav
Pavlović, Vladimir B.
Article (Accepted Version)
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Abstract
Sintering of pure cordierite 2MgO:2Al2O3:5SiO2, and cordierite with the addition of 5 mass % TeO2 was studied. Green bodies were prepared from powder mixtures mechanically activated in a high-energy planetary mill, shaped by uniaxial (20 MPa) and cold isostatic pressing (1000 MPa). The pressure-less sintering of these specimens was performed at 1350°C for 1 h. High relative density over 95% of the theoretical value was obtained through solid-state reaction and pressure-less sintering of powder activated for 40 min, and for the first time reported in the literature. Phase composition and microstructures of sintered samples were determined by XRD and SEM, coupled with EDS mapping. The real part of the complex relative permittivity of the samples was measured at 200 MHz. The loss tangent of all samples was below the resolution of the measurement setup. A strong correlation between the relative permittivity and the density agrees with previously published data.
Keywords:
cordierite / electrical properties / mechanical activation / sintering / TeO2
Source:
Advances in Applied Ceramics, 2019, 118, 5, 241-248
Publisher:
  • Taylor and Francis
Projects:
  • Directed synthesis, structure and properties of multifunctional materials (RS-172057)
  • National Science Foundation, North Carolina State University, Project No. HRD-1345219
  • United States National Science Foundation (NSF) / Partnerships for Research and Education in Materials (PREM), Grant 1523617
  • United States National Aeronautics and Space Administration (NASA), Grant NNX09AV07A
  • Czech Science Foundation (GACR) - 17-05620S
  • Ministry of Education, Youth and Sports (MEYS) of Czech Republic - CEITEC 2020 [LQ1601]
Note:
  • This is the peer-reviewed version of the article: Obradović, N., Pavlović, Vera, Kachlik, M., Maca, K., Olćan, D., Đorđević, A., Tshantshapanyan, A., Vlahović, B., Pavlović, Vladimir, 2018. Processing and properties of dense cordierite ceramics obtained through solid-state reaction and pressure-less sintering. Advances in Applied Ceramics. https://doi.org/10.1080/17436753.2018.1548150

DOI: 10.1080/17436753.2018.1548150

ISSN: 1743-6753

WoS: 000470329400001

Scopus: 2-s2.0-85057585838
[ Google Scholar ]
3
3
URI
http://dais.sanu.ac.rs/123456789/4557
Collections
  • ITN SANU - Opšta kolekcija / ITS SASA - General collection
Institution
Институт техничких наука САНУ / Institute of Technical Sciences of SASA
TY  - JOUR
AU  - Obradović, Nina
AU  - Pavlović, Vera P.
AU  - Kachlik, Martin
AU  - Maca, Karel
AU  - Olćan, Dragan
AU  - Đorđević, Antonije
AU  - Tshantshapanyan, Ani
AU  - Vlahović, Branislav
AU  - Pavlović, Vladimir B.
PY  - 2019
UR  - http://dais.sanu.ac.rs/123456789/4557
AB  - Sintering of pure cordierite 2MgO:2Al2O3:5SiO2, and cordierite with the addition of 5 mass % TeO2 was studied. Green bodies were prepared from powder mixtures mechanically activated in a high-energy planetary mill, shaped by uniaxial (20 MPa) and cold isostatic pressing (1000 MPa). The pressure-less sintering of these specimens was performed at 1350°C for 1 h. High relative density over 95% of the theoretical value was obtained through solid-state reaction and pressure-less sintering of powder activated for 40 min, and for the first time reported in the literature. Phase composition and microstructures of sintered samples were determined by XRD and SEM, coupled with EDS mapping. The real part of the complex relative permittivity of the samples was measured at 200 MHz. The loss tangent of all samples was below the resolution of the measurement setup. A strong correlation between the relative permittivity and the density agrees with previously published data.
PB  - Taylor and Francis
T2  - Advances in Applied Ceramics
T1  - Processing and properties of dense cordierite ceramics obtained through solid-state reaction and pressure-less sintering
SP  - 241
EP  - 248
VL  - 118
IS  - 5
DO  - 10.1080/17436753.2018.1548150
ER  - 
@article{
author = "Obradović, Nina and Pavlović, Vera P. and Kachlik, Martin and Maca, Karel and Olćan, Dragan and Đorđević, Antonije and Tshantshapanyan, Ani and Vlahović, Branislav and Pavlović, Vladimir B.",
year = "2019",
url = "http://dais.sanu.ac.rs/123456789/4557",
abstract = "Sintering of pure cordierite 2MgO:2Al2O3:5SiO2, and cordierite with the addition of 5 mass % TeO2 was studied. Green bodies were prepared from powder mixtures mechanically activated in a high-energy planetary mill, shaped by uniaxial (20 MPa) and cold isostatic pressing (1000 MPa). The pressure-less sintering of these specimens was performed at 1350°C for 1 h. High relative density over 95% of the theoretical value was obtained through solid-state reaction and pressure-less sintering of powder activated for 40 min, and for the first time reported in the literature. Phase composition and microstructures of sintered samples were determined by XRD and SEM, coupled with EDS mapping. The real part of the complex relative permittivity of the samples was measured at 200 MHz. The loss tangent of all samples was below the resolution of the measurement setup. A strong correlation between the relative permittivity and the density agrees with previously published data.",
publisher = "Taylor and Francis",
journal = "Advances in Applied Ceramics",
title = "Processing and properties of dense cordierite ceramics obtained through solid-state reaction and pressure-less sintering",
pages = "241-248",
volume = "118",
number = "5",
doi = "10.1080/17436753.2018.1548150"
}
Obradović N, Pavlović VP, Kachlik M, Maca K, Olćan D, Đorđević A, Tshantshapanyan A, Vlahović B, Pavlović VB. Processing and properties of dense cordierite ceramics obtained through solid-state reaction and pressure-less sintering. Advances in Applied Ceramics. 2019;118(5):241-248
Obradović, N., Pavlović, V. P., Kachlik, M., Maca, K., Olćan, D., Đorđević, A., Tshantshapanyan, A., Vlahović, B.,& Pavlović, V. B. (2019). Processing and properties of dense cordierite ceramics obtained through solid-state reaction and pressure-less sintering.
Advances in Applied CeramicsTaylor and Francis., 118(5), 241-248. 
https://doi.org/10.1080/17436753.2018.1548150
Obradović Nina, Pavlović Vera P., Kachlik Martin, Maca Karel, Olćan Dragan, Đorđević Antonije, Tshantshapanyan Ani, Vlahović Branislav, Pavlović Vladimir B., "Processing and properties of dense cordierite ceramics obtained through solid-state reaction and pressure-less sintering" 118, no. 5 (2019):241-248,
https://doi.org/10.1080/17436753.2018.1548150 .

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