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Influence of nitrogen and air atmosphere during thermal treatment on micro and nano sized powders and sintered TiO2 specimens

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2014
654.pdf (986.0Kb)
Authors
Labus, Nebojša
Mentus, Slavko
Đurić, Zorka Ž.
Nikolić, Maria Vesna
Article (Published version)
Metadata
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Abstract
The influence of air and nitrogen atmosphere during heating on TiO2 nano and micro sized powders as well as sintered polycrystalline specimens was analyzed. Sintering of TiO2 nano and micro powders in air atmosphere was monitored in a dilatometer. Non compacted nano and micro powders were analyzed separately in air and nitrogen atmospheres during heating using thermo gravimetric (TG) and differential thermal analysis (DTA). The anatase to rutile phase transition temperature interval is influenced by the powder particle size and atmosphere change. At lower temperatures for nano TiO2 powder a second order phase transition was detected by both thermal techniques. Polycrystalline specimens obtained by sintering from nano powders were reheated in the dilatometer in nitrogen and air atmosphere, and their shrinkage is found to be different. Powder particle size influence, as well as the air and nitrogen atmosphere influence was discussed. [Projekat Ministarstva nauke Republike Srbije, br. OI1...72057 i br. III45014]

Keywords:
TG/DTA / dilatometry / nanopowders / sintering
Source:
Science of Sintering, 2014, 46, 3, 365-375
Publisher:
  • Belgrade : International Institute for the Science of Sintering
Projects:
  • Directed synthesis, structure and properties of multifunctional materials (RS-172057)
  • Lithium-ion batteries and fuel cells - research and development (RS-45014)

DOI: 10.2298/SOS1403365L

ISSN: 0350-820X (Print); 1820-7413 (Online)

WoS: 000348599200010

Scopus: 2-s2.0-84920996226
[ Google Scholar ]
2
2
URI
http://dais.sanu.ac.rs/123456789/657
Collections
  • ITN SANU - Opšta kolekcija / ITS SASA - General collection
Institution
Институт техничких наука САНУ / Institute of Technical Sciences of SASA
TY  - JOUR
AU  - Labus, Nebojša
AU  - Mentus, Slavko
AU  - Đurić, Zorka Ž.
AU  - Nikolić, Maria Vesna
PY  - 2014
UR  - http://dais.sanu.ac.rs/123456789/657
AB  - The influence of air and nitrogen atmosphere during heating on TiO2 nano and micro sized powders as well as sintered polycrystalline specimens was analyzed. Sintering of TiO2 nano and micro powders in air atmosphere was monitored in a dilatometer. Non compacted nano and micro powders were analyzed separately in air and nitrogen atmospheres during heating using thermo gravimetric (TG) and differential thermal analysis (DTA). The anatase to rutile phase transition temperature interval is influenced by the powder particle size and atmosphere change. At lower temperatures for nano TiO2 powder a second order phase transition was detected by both thermal techniques. Polycrystalline specimens obtained by sintering from nano powders were reheated in the dilatometer in nitrogen and air atmosphere, and their shrinkage is found to be different. Powder particle size influence, as well as the air and nitrogen atmosphere influence was discussed. [Projekat Ministarstva nauke Republike Srbije, br. OI172057 i br. III45014]
PB  - Belgrade : International Institute for the Science of Sintering
T2  - Science of Sintering
T1  - Influence of nitrogen and air atmosphere during thermal treatment on micro and nano sized powders and sintered TiO2 specimens
SP  - 365
EP  - 375
VL  - 46
IS  - 3
DO  - 10.2298/SOS1403365L
ER  - 
@article{
author = "Labus, Nebojša and Mentus, Slavko and Đurić, Zorka Ž. and Nikolić, Maria Vesna",
year = "2014",
url = "http://dais.sanu.ac.rs/123456789/657",
abstract = "The influence of air and nitrogen atmosphere during heating on TiO2 nano and micro sized powders as well as sintered polycrystalline specimens was analyzed. Sintering of TiO2 nano and micro powders in air atmosphere was monitored in a dilatometer. Non compacted nano and micro powders were analyzed separately in air and nitrogen atmospheres during heating using thermo gravimetric (TG) and differential thermal analysis (DTA). The anatase to rutile phase transition temperature interval is influenced by the powder particle size and atmosphere change. At lower temperatures for nano TiO2 powder a second order phase transition was detected by both thermal techniques. Polycrystalline specimens obtained by sintering from nano powders were reheated in the dilatometer in nitrogen and air atmosphere, and their shrinkage is found to be different. Powder particle size influence, as well as the air and nitrogen atmosphere influence was discussed. [Projekat Ministarstva nauke Republike Srbije, br. OI172057 i br. III45014]",
publisher = "Belgrade : International Institute for the Science of Sintering",
journal = "Science of Sintering",
title = "Influence of nitrogen and air atmosphere during thermal treatment on micro and nano sized powders and sintered TiO2 specimens",
pages = "365-375",
volume = "46",
number = "3",
doi = "10.2298/SOS1403365L"
}
Labus N, Mentus S, Đurić ZŽ, Nikolić MV. Influence of nitrogen and air atmosphere during thermal treatment on micro and nano sized powders and sintered TiO2 specimens. Science of Sintering. 2014;46(3):365-375
Labus, N., Mentus, S., Đurić, Z. Ž.,& Nikolić, M. V. (2014). Influence of nitrogen and air atmosphere during thermal treatment on micro and nano sized powders and sintered TiO2 specimens.
Science of SinteringBelgrade : International Institute for the Science of Sintering., 46(3), 365-375. 
https://doi.org/10.2298/SOS1403365L
Labus Nebojša, Mentus Slavko, Đurić Zorka Ž., Nikolić Maria Vesna, "Influence of nitrogen and air atmosphere during thermal treatment on micro and nano sized powders and sintered TiO2 specimens" 46, no. 3 (2014):365-375,
https://doi.org/10.2298/SOS1403365L .

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