Kachlik, M.

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orcid::0000-0002-0619-4032
  • Kachlik, M. (2)
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Author's Bibliography

Effect of consolidation parameters on structural, microstructural and electrical properties of magnesium titanate ceramics

Filipovic, S.; Obradovic, N.; Pavlović, Vladimir B.; Mitrić, Miodrag; Dordevic, A.; Kachlik, M.; Maca, K.

(2016)

TY  - JOUR
AU  - Filipovic, S.
AU  - Obradovic, N.
AU  - Pavlović, Vladimir B.
AU  - Mitrić, Miodrag
AU  - Dordevic, A.
AU  - Kachlik, M.
AU  - Maca, K.
PY  - 2016
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/1037
AB  - The aim of this study is to explore the influence of the processing route on the structural and physical properties of bulk MgTiO3 ceramics. Commercially available MgO and TiO2 powders were mechanically activated in a planetary ball mill. Green bodies were formed by an isostatic pressure of 300 MPa. The sintering of these samples was done either by the Two-Step Sintering (TSS) approach or by conventional pressureless sintering followed by Hot Isostatic Pressing (post-HIPing). The first set of compacts was sintered by TSS in air at 1300 degrees C for 30 min and the next step was performed at 1200 degrees C for 20 h. The density of the obtained samples after the two-step sintering reached almost 90% of the theoretical density (%TD). The second set of compacts was sintered at 1400 degrees C for 30 min in air. The samples without open porosity were post-sintered by the HIP at 1200 degrees C for 2 h in an argon atmosphere at a pressure of 200 MPa. The density significantly increased up to 96%TD. The differences between samples prepared by these two techniques were also analyzed by XRD and SEM. The lattice vibration spectra were obtained using Raman spectroscopy and they indicate a high degree of lattice disorder, as well as high values of the oxygen vacancy concentration. Electrical characteristic were established in the frequency range from 10 kHz to 10 GHz. The choice of the processing route had considerable influence on structural and physical properties of MgTiO3 ceramics. (C) 2016 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
T2  - Ceramics International
T1  - Effect of consolidation parameters on structural, microstructural and electrical properties of magnesium titanate ceramics
VL  - 42
IS  - 8
SP  - 9887
EP  - 9898
DO  - 10.1016/j.ceramint.2016.03.088
ER  - 
@article{
author = "Filipovic, S. and Obradovic, N. and Pavlović, Vladimir B. and Mitrić, Miodrag and Dordevic, A. and Kachlik, M. and Maca, K.",
year = "2016",
url = "http://vinar.vin.bg.ac.rs/handle/123456789/1037",
abstract = "The aim of this study is to explore the influence of the processing route on the structural and physical properties of bulk MgTiO3 ceramics. Commercially available MgO and TiO2 powders were mechanically activated in a planetary ball mill. Green bodies were formed by an isostatic pressure of 300 MPa. The sintering of these samples was done either by the Two-Step Sintering (TSS) approach or by conventional pressureless sintering followed by Hot Isostatic Pressing (post-HIPing). The first set of compacts was sintered by TSS in air at 1300 degrees C for 30 min and the next step was performed at 1200 degrees C for 20 h. The density of the obtained samples after the two-step sintering reached almost 90% of the theoretical density (%TD). The second set of compacts was sintered at 1400 degrees C for 30 min in air. The samples without open porosity were post-sintered by the HIP at 1200 degrees C for 2 h in an argon atmosphere at a pressure of 200 MPa. The density significantly increased up to 96%TD. The differences between samples prepared by these two techniques were also analyzed by XRD and SEM. The lattice vibration spectra were obtained using Raman spectroscopy and they indicate a high degree of lattice disorder, as well as high values of the oxygen vacancy concentration. Electrical characteristic were established in the frequency range from 10 kHz to 10 GHz. The choice of the processing route had considerable influence on structural and physical properties of MgTiO3 ceramics. (C) 2016 Elsevier Ltd and Techna Group S.r.l. All rights reserved.",
journal = "Ceramics International",
title = "Effect of consolidation parameters on structural, microstructural and electrical properties of magnesium titanate ceramics",
volume = "42",
number = "8",
pages = "9887-9898",
doi = "10.1016/j.ceramint.2016.03.088"
}
Filipovic, S., Obradovic, N., Pavlović, V. B., Mitrić, M., Dordevic, A., Kachlik, M.,& Maca, K. (2016). Effect of consolidation parameters on structural, microstructural and electrical properties of magnesium titanate ceramics.
Ceramics International, 42(8), 9887-9898.
https://doi.org/10.1016/j.ceramint.2016.03.088
Filipovic S, Obradovic N, Pavlović VB, Mitrić M, Dordevic A, Kachlik M, Maca K. Effect of consolidation parameters on structural, microstructural and electrical properties of magnesium titanate ceramics. Ceramics International. 2016;42(8):9887-9898
Filipovic S., Obradovic N., Pavlović Vladimir B., Mitrić Miodrag, Dordevic A., Kachlik M., Maca K., "Effect of consolidation parameters on structural, microstructural and electrical properties of magnesium titanate ceramics" Ceramics International, 42, no. 8 (2016):9887-9898,
https://doi.org/10.1016/j.ceramint.2016.03.088 .
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Advantages of Combined Sintering Compared to Conventional Sintering of Mechanically Activated Magnesium Titanate

Filipovic, S.; Obradovic, N.; Pavlović, Vladimir B.; Kosanovic, D.; Mitrić, Miodrag; Mitrovic, N.; Pouchly, V.; Kachlik, M.; Maca, K.

(2014)

TY  - JOUR
AU  - Filipovic, S.
AU  - Obradovic, N.
AU  - Pavlović, Vladimir B.
AU  - Kosanovic, D.
AU  - Mitrić, Miodrag
AU  - Mitrovic, N.
AU  - Pouchly, V.
AU  - Kachlik, M.
AU  - Maca, K.
PY  - 2014
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/373
AB  - In this article, the advantages of combined sintering in comparison with the conventional one, of mechanically activated magnesium titanate ceramic were investigated. The stoichiometric mixtures of MgO and TiO2 were mechano-chemically activated for 0, 10, 40, 80 and 160 minutes by ball milling and then isostatically pressed (CIP) to form green bodies. Conventional sintering was realized by heating up to 1400 degrees C and hold for 30 minutes in air atmosphere. Resulting ceramic samples with closed porosity were post-sintered by pressure assisted technique Hot Isostatic Pressing (HIP) at 1280 degrees C/3h in argon atmosphere with a pressure of 200 MPa. The best results were observed in the case of samples post-sintered by HIP, when single-phase MgTiO3 samples with relative density of 96% were prepared.
T2  - Science of Sintering
T1  - Advantages of Combined Sintering Compared to Conventional Sintering of Mechanically Activated Magnesium Titanate
VL  - 46
IS  - 3
SP  - 283
EP  - 290
DO  - 10.2298/SOS1403283F
ER  - 
@article{
author = "Filipovic, S. and Obradovic, N. and Pavlović, Vladimir B. and Kosanovic, D. and Mitrić, Miodrag and Mitrovic, N. and Pouchly, V. and Kachlik, M. and Maca, K.",
year = "2014",
url = "http://vinar.vin.bg.ac.rs/handle/123456789/373",
abstract = "In this article, the advantages of combined sintering in comparison with the conventional one, of mechanically activated magnesium titanate ceramic were investigated. The stoichiometric mixtures of MgO and TiO2 were mechano-chemically activated for 0, 10, 40, 80 and 160 minutes by ball milling and then isostatically pressed (CIP) to form green bodies. Conventional sintering was realized by heating up to 1400 degrees C and hold for 30 minutes in air atmosphere. Resulting ceramic samples with closed porosity were post-sintered by pressure assisted technique Hot Isostatic Pressing (HIP) at 1280 degrees C/3h in argon atmosphere with a pressure of 200 MPa. The best results were observed in the case of samples post-sintered by HIP, when single-phase MgTiO3 samples with relative density of 96% were prepared.",
journal = "Science of Sintering",
title = "Advantages of Combined Sintering Compared to Conventional Sintering of Mechanically Activated Magnesium Titanate",
volume = "46",
number = "3",
pages = "283-290",
doi = "10.2298/SOS1403283F"
}
Filipovic, S., Obradovic, N., Pavlović, V. B., Kosanovic, D., Mitrić, M., Mitrovic, N., Pouchly, V., Kachlik, M.,& Maca, K. (2014). Advantages of Combined Sintering Compared to Conventional Sintering of Mechanically Activated Magnesium Titanate.
Science of Sintering, 46(3), 283-290.
https://doi.org/10.2298/SOS1403283F
Filipovic S, Obradovic N, Pavlović VB, Kosanovic D, Mitrić M, Mitrovic N, Pouchly V, Kachlik M, Maca K. Advantages of Combined Sintering Compared to Conventional Sintering of Mechanically Activated Magnesium Titanate. Science of Sintering. 2014;46(3):283-290
Filipovic S., Obradovic N., Pavlović Vladimir B., Kosanovic D., Mitrić Miodrag, Mitrovic N., Pouchly V., Kachlik M., Maca K., "Advantages of Combined Sintering Compared to Conventional Sintering of Mechanically Activated Magnesium Titanate" Science of Sintering, 46, no. 3 (2014):283-290,
https://doi.org/10.2298/SOS1403283F .
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