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Intrinsic resistivity of sintered Nickel Manganite vs. powder activation time and density

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2008
205.pdf (490.1Kb)
Authors
Savić, Slavica M.
Nikolić, Maria Vesna
Aleksić, Obrad S.
Slankamenac, Miloš
Živanov, M.
Nikolić, Pantelija M.
Contributors
Ristić, Momčilo M.
Article (Published version)
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Abstract
In this work the DC resistivity of sintered nickel manganite NiMn2O4 (NTC thermistor material) was studied as a function of additional powder activation time in a planetary ball mill (0, 5, 15, 30, 45 and 60 min). The activated powders and non-activated powder were sintered at different temperatures (900, 1050 and 12000C) for an hour. Structural changes were analyzed using XRD. Sample density, porosity and DC resistivity were measured on the same sintered samples. Correlations between sample density, porosity, and intrinsic DC resistivity vs. additional powder activation time and the sintering temperature were made. It was noticed that the resistivity falls with the increase of sample density (or increase of the sintering temperature).
Keywords:
nickel manganite / resistivity / mechanical activation / sintering
Source:
Science of Sintering, 2008, 40, 1, 27-32
Publisher:
  • Belgrade : International Institute for the Science of Sintering
Note:
  • Preliminary results were presented at a conference: https://hdl.handle.net/21.15107/rcub_dais_314

DOI: 10.2298/SOS0801027S

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

Scopus: 2-s2.0-70450250865
[ Google Scholar ]
24
Handle
https://hdl.handle.net/21.15107/rcub_dais_208
URI
https://dais.sanu.ac.rs/123456789/208
Collections
  • ИТН САНУ - Општа колекција / ITS SASA - General collection
Institution/Community
Институт техничких наука САНУ / Institute of Technical Sciences of SASA
TY  - JOUR
AU  - Savić, Slavica M.
AU  - Nikolić, Maria Vesna
AU  - Aleksić, Obrad S.
AU  - Slankamenac, Miloš
AU  - Živanov, M.
AU  - Nikolić, Pantelija M.
PY  - 2008
UR  - https://dais.sanu.ac.rs/123456789/208
AB  - In this work the DC resistivity of sintered nickel manganite NiMn2O4 (NTC thermistor material) was studied as a function of additional powder activation time in a planetary ball mill (0, 5, 15, 30, 45 and 60 min). The activated powders and non-activated powder were sintered at different temperatures (900, 1050 and 12000C) for an hour. Structural changes were analyzed using XRD. Sample density, porosity and DC resistivity were measured on the same sintered samples. Correlations between sample density, porosity, and intrinsic DC resistivity vs. additional powder activation time and the sintering temperature were made. It was noticed that the resistivity falls with the increase of sample density (or increase of the sintering temperature).
PB  - Belgrade : International Institute for the Science of Sintering
T2  - Science of Sintering
T1  - Intrinsic resistivity of sintered Nickel Manganite vs. powder activation time and density
SP  - 27
EP  - 32
VL  - 40
IS  - 1
DO  - 10.2298/SOS0801027S
UR  - https://hdl.handle.net/21.15107/rcub_dais_208
ER  - 
@article{
author = "Savić, Slavica M. and Nikolić, Maria Vesna and Aleksić, Obrad S. and Slankamenac, Miloš and Živanov, M. and Nikolić, Pantelija M.",
year = "2008",
abstract = "In this work the DC resistivity of sintered nickel manganite NiMn2O4 (NTC thermistor material) was studied as a function of additional powder activation time in a planetary ball mill (0, 5, 15, 30, 45 and 60 min). The activated powders and non-activated powder were sintered at different temperatures (900, 1050 and 12000C) for an hour. Structural changes were analyzed using XRD. Sample density, porosity and DC resistivity were measured on the same sintered samples. Correlations between sample density, porosity, and intrinsic DC resistivity vs. additional powder activation time and the sintering temperature were made. It was noticed that the resistivity falls with the increase of sample density (or increase of the sintering temperature).",
publisher = "Belgrade : International Institute for the Science of Sintering",
journal = "Science of Sintering",
title = "Intrinsic resistivity of sintered Nickel Manganite vs. powder activation time and density",
pages = "27-32",
volume = "40",
number = "1",
doi = "10.2298/SOS0801027S",
url = "https://hdl.handle.net/21.15107/rcub_dais_208"
}
Savić, S. M., Nikolić, M. V., Aleksić, O. S., Slankamenac, M., Živanov, M.,& Nikolić, P. M.. (2008). Intrinsic resistivity of sintered Nickel Manganite vs. powder activation time and density. in Science of Sintering
Belgrade : International Institute for the Science of Sintering., 40(1), 27-32.
https://doi.org/10.2298/SOS0801027S
https://hdl.handle.net/21.15107/rcub_dais_208
Savić SM, Nikolić MV, Aleksić OS, Slankamenac M, Živanov M, Nikolić PM. Intrinsic resistivity of sintered Nickel Manganite vs. powder activation time and density. in Science of Sintering. 2008;40(1):27-32.
doi:10.2298/SOS0801027S
https://hdl.handle.net/21.15107/rcub_dais_208 .
Savić, Slavica M., Nikolić, Maria Vesna, Aleksić, Obrad S., Slankamenac, Miloš, Živanov, M., Nikolić, Pantelija M., "Intrinsic resistivity of sintered Nickel Manganite vs. powder activation time and density" in Science of Sintering, 40, no. 1 (2008):27-32,
https://doi.org/10.2298/SOS0801027S .,
https://hdl.handle.net/21.15107/rcub_dais_208 .

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