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Processing parameter influence on BaTiO3 ceramic fractal microstructure and dielectric characteristics

Authorized Users Only
2012
Authors
Mitić, Vojislav V.
Paunović, Vesna
Purenović, Jelena
Kocić, Ljubiša
Pavlović, Vladimir B.
Article (Published version)
Metadata
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Abstract
In the process of BaTiO3 ceramics consolidation, technological parameters like sintering temperature, pressing pressure and additives significantly determine the microstructure and electrical properties. Slight change of a particular sintering parameter can considerably change the microstructure as well as the electrical parameters. Structural complex grain–contact–grain is observed on Ho doped BaTiO3 ceramics, sintered from 1320 to 1380°C. The new configuration model of ceramic grain contact surfaces is presented in this paper. This model is based on Coble’s two-sphere approximation and its generalisation to ellipsoidal geometry. The integral contact surface directly influences the value of the total ceramic capacity. Fractal method is applied for intergrain contact analysis. Ceramic grains are considered to have fractal surface (as it is elsewhere in nature) and, therefore, fractal structure influences on the dielectric properties of BaTiO3 ceramics. The obtained results give better ...understanding of ceramic microstructure with the final aim to establish significant interrelation among processing, structural and electrical parameters.

Keywords:
BaTiO3 ceramics / processing parameters / Coble’s model / fractals / intergrain contact
Source:
Advances in Applied Ceramics, 2012, 111, 5-6, 360-366
Publisher:
  • Maney
Projects:
  • Directed synthesis, structure and properties of multifunctional materials (RS-172057)

DOI: 10.1179/1743676112Y.0000000026

ISSN: 1743-6753 (Print); 1743-6761 (Online)

WoS: 000306691700015

Scopus: 2-s2.0-84864239707
[ Google Scholar ]
4
3
URI
http://dais.sanu.ac.rs/123456789/481
Collections
  • ITN SANU - Opšta kolekcija / ITS SASA - General collection
Institution
Институт техничких наука САНУ / Institute of Technical Sciences of SASA
TY  - JOUR
AU  - Mitić, Vojislav V.
AU  - Paunović, Vesna
AU  - Purenović, Jelena
AU  - Kocić, Ljubiša
AU  - Pavlović, Vladimir B.
PY  - 2012
UR  - http://dais.sanu.ac.rs/123456789/481
AB  - In the process of BaTiO3 ceramics consolidation, technological parameters like sintering temperature, pressing pressure and additives significantly determine the microstructure and electrical properties. Slight change of a particular sintering parameter can considerably change the microstructure as well as the electrical parameters. Structural complex grain–contact–grain is observed on Ho doped BaTiO3 ceramics, sintered from 1320 to 1380°C. The new configuration model of ceramic grain contact surfaces is presented in this paper. This model is based on Coble’s two-sphere approximation and its generalisation to ellipsoidal geometry. The integral contact surface directly influences the value of the total ceramic capacity. Fractal method is applied for intergrain contact analysis. Ceramic grains are considered to have fractal surface (as it is elsewhere in nature) and, therefore, fractal structure influences on the dielectric properties of BaTiO3 ceramics. The obtained results give better understanding of ceramic microstructure with the final aim to establish significant interrelation among processing, structural and electrical parameters.
PB  - Maney
T2  - Advances in Applied Ceramics
T1  - Processing parameter influence on BaTiO3 ceramic fractal microstructure and dielectric characteristics
SP  - 360
EP  - 366
VL  - 111
IS  - 5-6
DO  - 10.1179/1743676112Y.0000000026
ER  - 
@article{
author = "Mitić, Vojislav V. and Paunović, Vesna and Purenović, Jelena and Kocić, Ljubiša and Pavlović, Vladimir B.",
year = "2012",
url = "http://dais.sanu.ac.rs/123456789/481",
abstract = "In the process of BaTiO3 ceramics consolidation, technological parameters like sintering temperature, pressing pressure and additives significantly determine the microstructure and electrical properties. Slight change of a particular sintering parameter can considerably change the microstructure as well as the electrical parameters. Structural complex grain–contact–grain is observed on Ho doped BaTiO3 ceramics, sintered from 1320 to 1380°C. The new configuration model of ceramic grain contact surfaces is presented in this paper. This model is based on Coble’s two-sphere approximation and its generalisation to ellipsoidal geometry. The integral contact surface directly influences the value of the total ceramic capacity. Fractal method is applied for intergrain contact analysis. Ceramic grains are considered to have fractal surface (as it is elsewhere in nature) and, therefore, fractal structure influences on the dielectric properties of BaTiO3 ceramics. The obtained results give better understanding of ceramic microstructure with the final aim to establish significant interrelation among processing, structural and electrical parameters.",
publisher = "Maney",
journal = "Advances in Applied Ceramics",
title = "Processing parameter influence on BaTiO3 ceramic fractal microstructure and dielectric characteristics",
pages = "360-366",
volume = "111",
number = "5-6",
doi = "10.1179/1743676112Y.0000000026"
}
Mitić VV, Paunović V, Purenović J, Kocić L, Pavlović VB. Processing parameter influence on BaTiO3 ceramic fractal microstructure and dielectric characteristics. Advances in Applied Ceramics. 2012;111(5-6):360-366
Mitić, V. V., Paunović, V., Purenović, J., Kocić, L.,& Pavlović, V. B. (2012). Processing parameter influence on BaTiO3 ceramic fractal microstructure and dielectric characteristics.
Advances in Applied CeramicsManey., 111(5-6), 360-366. 
https://doi.org/10.1179/1743676112Y.0000000026
Mitić Vojislav V., Paunović Vesna, Purenović Jelena, Kocić Ljubiša, Pavlović Vladimir B., "Processing parameter influence on BaTiO3 ceramic fractal microstructure and dielectric characteristics" 111, no. 5-6 (2012):360-366,
https://doi.org/10.1179/1743676112Y.0000000026 .

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