The influence of thermal treatment conditions on titanium dioxide ceramics phase transformation, microstructure, physico-mechanical and electrical properties was studied. TiO2 ceramic was prepared using extrusion technology and thermal treatment in air and subsequent annealing under high vacuum conditions. It has been observed that intense TiO2 ceramic mass sintering occurs over the temperature ranging from 950 °C to 1100 °C. It is accompanied by crystallographic modification change from anatase to rutile. Ceramic sample annealing in vacuum causes formation of nonstoichiometric titanium oxide ceramics and as a result electrical conductivity of the material significantly increases. Using extrusion process relatively dense and mechanically resistant ceramic material can be obtained that can be used in different technological processes.
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1 June 2014
Research Article|
June 01 2014
The influence of thermal treatment conditions on the properties of TiO2 ceramics
Inga Narkevica;
Inga Narkevica
1
Institute of General Chemical Engineering, Riga Technical University, Riga, Latvia
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Jurijs Ozolins;
Jurijs Ozolins
1
Institute of General Chemical Engineering, Riga Technical University, Riga, Latvia
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Kristaps Rubenis;
Kristaps Rubenis
1
Institute of General Chemical Engineering, Riga Technical University, Riga, Latvia
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Janis Kleperis;
Janis Kleperis
2
Institute of Solid State Physics, University of Latvia, Riga, Latvia
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Janis Locs;
Janis Locs
1
Institute of General Chemical Engineering, Riga Technical University, Riga, Latvia
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Liga Berzina-Cimdina
Liga Berzina-Cimdina
1
Institute of General Chemical Engineering, Riga Technical University, Riga, Latvia
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Publisher: Emerald Publishing
Online ISSN: 2515-8082
Print ISSN: 1708-5284
World Journal of Engineering (2014) 11 (2): 131–138.
Citation
Narkevica I, Ozolins J, Rubenis K, Kleperis J, Locs J, Berzina-Cimdina L (2014), "The influence of thermal treatment conditions on the properties of TiO2 ceramics". World Journal of Engineering, Vol. 11 No. 2 pp. 131–138, doi: https://doi.org/10.1260/1708-5284.11.2.131
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