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Dilatometric study of the ZnTiO3 phase transition kinetic influenced by nano powder sintering

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2021
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Authors
Labus, Nebojša J.
Rosić, Milena
Marković, Smilja
Nikolić, Maria Vesna
Conference object (Published version)
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Abstract
Sintering is often accompanied with phase transition. Phase transition kinetic is thushard to deconvolute due to the superposition of the sintering and phase transition dimensionalchange phenomena. Metastabile perovskite phase ZnTiO3 reforms to stabile spinel Zn2TiO4 at950°C with high kinetic rate. Dimensional change during heating of ZnTiO3 nano powdercompacts up to 1050°C was monitored using dilatometric thermo mechanical analyzer TMAmodel SETSYS Evolution. Shrinkage of simultaneous sintering and phase transition wererecorded. The obtained non-isothermally sintered specimens were then second run treatedwith same schedule. Sintering phenomenon of the ZnTiO3 nanopowder compact was alsorecorded up to 900°C with isothermal holding of 25 minutes. Here phase transition wasavoided with lower temperature and isothermal holding. Second run heating, of isothermallyobtained specimens at 900°C, was recorded with non-isothermal heating schedule to 1050°C.This has led to the dilatometric curve rec...ord of the ZnTiO3 phase transition in polycrystallinebulk specimen, now recorded without sintering. In such a manner when kinetic is complex,the separation of phenomena such as sintering, linear expansion and phase transition areleading to the knowledge of their mutual interconnected relations. Also application ofmathematical operations on dilatometric data leads to the established procedure for thesintering and phase transition data treatment.

Keywords:
sintering / phase transition / ZnTiO3 / nanopowders / perovskites
Source:
Program and the Book of abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application IX : New Frontiers in Multifunctional Material Science and Processing, Serbia, Belgrade, 20-21. September 2021, 2021, 41-41
Publisher:
  • Belgrade : Serbian Ceramic Society
Funding / projects:
  • Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 200175 (Institute of Technical Sciences of SASA, Belgrade) (RS-200175)
Note:
  • Conference presentation: https://hdl.handle.net/21.15107/rcub_dais_1182
  • Sound recording: https://hdl.handle.net/21.15107/rcub_dais_11893
Related info:
  • Referenced by
    https://hdl.handle.net/21.15107/rcub_dais_11892
  • Referenced by
    https://hdl.handle.net/21.15107/rcub_dais_11893

ISBN: 978-86-915627-8-6

[ Google Scholar ]
Handle
https://hdl.handle.net/21.15107/rcub_dais_11894
URI
https://dais.sanu.ac.rs/123456789/11894
http://rimsi.imsi.bg.ac.rs/handle/123456789/1632
Collections
  • Radovi istraživača / Researchers’ publications
Institution/Community
Institut za multidisciplinarna istraživanja
TY  - CONF
AU  - Labus, Nebojša J.
AU  - Rosić, Milena
AU  - Marković, Smilja
AU  - Nikolić, Maria Vesna
PY  - 2021
UR  - https://dais.sanu.ac.rs/123456789/11894
UR  - http://rimsi.imsi.bg.ac.rs/handle/123456789/1632
AB  - Sintering is often accompanied with phase transition. Phase transition kinetic is thushard to deconvolute due to the superposition of the sintering and phase transition dimensionalchange phenomena. Metastabile perovskite phase ZnTiO3 reforms to stabile spinel Zn2TiO4 at950°C with high kinetic rate. Dimensional change during heating of ZnTiO3 nano powdercompacts up to 1050°C was monitored using dilatometric thermo mechanical analyzer TMAmodel SETSYS Evolution. Shrinkage of simultaneous sintering and phase transition wererecorded. The obtained non-isothermally sintered specimens were then second run treatedwith same schedule. Sintering phenomenon of the ZnTiO3 nanopowder compact was alsorecorded up to 900°C with isothermal holding of 25 minutes. Here phase transition wasavoided with lower temperature and isothermal holding. Second run heating, of isothermallyobtained specimens at 900°C, was recorded with non-isothermal heating schedule to 1050°C.This has led to the dilatometric curve record of the ZnTiO3 phase transition in polycrystallinebulk specimen, now recorded without sintering. In such a manner when kinetic is complex,the separation of phenomena such as sintering, linear expansion and phase transition areleading to the knowledge of their mutual interconnected relations. Also application ofmathematical operations on dilatometric data leads to the established procedure for thesintering and phase transition data treatment.
PB  - Belgrade : Serbian Ceramic Society
C3  - Program and the Book of abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application IX : New Frontiers in Multifunctional Material Science and Processing, Serbia, Belgrade, 20-21. September 2021
T1  - Dilatometric study of the ZnTiO3 phase transition kinetic  influenced  by nano powder sintering
EP  - 41
SP  - 41
UR  - https://hdl.handle.net/21.15107/rcub_dais_11894
ER  - 
@conference{
author = "Labus, Nebojša J. and Rosić, Milena and Marković, Smilja and Nikolić, Maria Vesna",
year = "2021",
abstract = "Sintering is often accompanied with phase transition. Phase transition kinetic is thushard to deconvolute due to the superposition of the sintering and phase transition dimensionalchange phenomena. Metastabile perovskite phase ZnTiO3 reforms to stabile spinel Zn2TiO4 at950°C with high kinetic rate. Dimensional change during heating of ZnTiO3 nano powdercompacts up to 1050°C was monitored using dilatometric thermo mechanical analyzer TMAmodel SETSYS Evolution. Shrinkage of simultaneous sintering and phase transition wererecorded. The obtained non-isothermally sintered specimens were then second run treatedwith same schedule. Sintering phenomenon of the ZnTiO3 nanopowder compact was alsorecorded up to 900°C with isothermal holding of 25 minutes. Here phase transition wasavoided with lower temperature and isothermal holding. Second run heating, of isothermallyobtained specimens at 900°C, was recorded with non-isothermal heating schedule to 1050°C.This has led to the dilatometric curve record of the ZnTiO3 phase transition in polycrystallinebulk specimen, now recorded without sintering. In such a manner when kinetic is complex,the separation of phenomena such as sintering, linear expansion and phase transition areleading to the knowledge of their mutual interconnected relations. Also application ofmathematical operations on dilatometric data leads to the established procedure for thesintering and phase transition data treatment.",
publisher = "Belgrade : Serbian Ceramic Society",
journal = "Program and the Book of abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application IX : New Frontiers in Multifunctional Material Science and Processing, Serbia, Belgrade, 20-21. September 2021",
title = "Dilatometric study of the ZnTiO3 phase transition kinetic  influenced  by nano powder sintering",
pages = "41-41",
url = "https://hdl.handle.net/21.15107/rcub_dais_11894"
}
Labus, N. J., Rosić, M., Marković, S.,& Nikolić, M. V.. (2021). Dilatometric study of the ZnTiO3 phase transition kinetic  influenced  by nano powder sintering. in Program and the Book of abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application IX : New Frontiers in Multifunctional Material Science and Processing, Serbia, Belgrade, 20-21. September 2021
Belgrade : Serbian Ceramic Society., 41-41.
https://hdl.handle.net/21.15107/rcub_dais_11894
Labus NJ, Rosić M, Marković S, Nikolić MV. Dilatometric study of the ZnTiO3 phase transition kinetic  influenced  by nano powder sintering. in Program and the Book of abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application IX : New Frontiers in Multifunctional Material Science and Processing, Serbia, Belgrade, 20-21. September 2021. 2021;:41-41.
https://hdl.handle.net/21.15107/rcub_dais_11894 .
Labus, Nebojša J., Rosić, Milena, Marković, Smilja, Nikolić, Maria Vesna, "Dilatometric study of the ZnTiO3 phase transition kinetic  influenced  by nano powder sintering" in Program and the Book of abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application IX : New Frontiers in Multifunctional Material Science and Processing, Serbia, Belgrade, 20-21. September 2021 (2021):41-41,
https://hdl.handle.net/21.15107/rcub_dais_11894 .

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