Mechanochemical synthesis of CaTiO3 from CaCO3-TiO2 mixture
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Vukotić, Vesna MSrećković, Tatjana

Marinković-Stanojević, Zorica

Branković, Goran

Cilense, Mario
Arandjelović, D.
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The synthesis of calcium titanate, CaTiO3, was performed by mechanical activation and thermal treatment. Milling for up to 360 minutes in a planetary ball mill mechanically activated an equimolar mixture of CaCO3 and TiO2 powders. A small amount of mechanically activated mixtures was pressed into briquettes and calcined at 850degreesC for two hours. The effect of mechanical activation on the solid-state reaction was studied using X-ray powder diffraction and differential thermal analysis. The change of morphology and size of powder particles due to milling, were determined by SEM, while BET analysis was used to determine the specific surface area of the powder. The sintering process was followed by a dilatometer during thermal treatment up to 1300degreesC. The main conclusion of the analysis of conducted investigations is that CaTiO3 ceramics can be obtained from an activated mixture at a much lower temperature than reported in the literature owing to acceleration of the chemical react...ion and sintering.
Keywords:
planetary ball mill / mechanochemical synthesis / CaTiO3Source:
Materials Science Forum, 2004, 453-454, 429-434Publisher:
- Trans Tech Publications Ltd
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Institut za multidisciplinarna istraživanjaTY - JOUR AU - Vukotić, Vesna M AU - Srećković, Tatjana AU - Marinković-Stanojević, Zorica AU - Branković, Goran AU - Cilense, Mario AU - Arandjelović, D. PY - 2004 UR - http://rimsi.imsi.bg.ac.rs/handle/123456789/105 AB - The synthesis of calcium titanate, CaTiO3, was performed by mechanical activation and thermal treatment. Milling for up to 360 minutes in a planetary ball mill mechanically activated an equimolar mixture of CaCO3 and TiO2 powders. A small amount of mechanically activated mixtures was pressed into briquettes and calcined at 850degreesC for two hours. The effect of mechanical activation on the solid-state reaction was studied using X-ray powder diffraction and differential thermal analysis. The change of morphology and size of powder particles due to milling, were determined by SEM, while BET analysis was used to determine the specific surface area of the powder. The sintering process was followed by a dilatometer during thermal treatment up to 1300degreesC. The main conclusion of the analysis of conducted investigations is that CaTiO3 ceramics can be obtained from an activated mixture at a much lower temperature than reported in the literature owing to acceleration of the chemical reaction and sintering. PB - Trans Tech Publications Ltd T2 - Materials Science Forum T1 - Mechanochemical synthesis of CaTiO3 from CaCO3-TiO2 mixture EP - 434 SP - 429 VL - 453-454 UR - https://hdl.handle.net/21.15107/rcub_rimsi_105 ER -
@article{ author = "Vukotić, Vesna M and Srećković, Tatjana and Marinković-Stanojević, Zorica and Branković, Goran and Cilense, Mario and Arandjelović, D.", year = "2004", abstract = "The synthesis of calcium titanate, CaTiO3, was performed by mechanical activation and thermal treatment. Milling for up to 360 minutes in a planetary ball mill mechanically activated an equimolar mixture of CaCO3 and TiO2 powders. A small amount of mechanically activated mixtures was pressed into briquettes and calcined at 850degreesC for two hours. The effect of mechanical activation on the solid-state reaction was studied using X-ray powder diffraction and differential thermal analysis. The change of morphology and size of powder particles due to milling, were determined by SEM, while BET analysis was used to determine the specific surface area of the powder. The sintering process was followed by a dilatometer during thermal treatment up to 1300degreesC. The main conclusion of the analysis of conducted investigations is that CaTiO3 ceramics can be obtained from an activated mixture at a much lower temperature than reported in the literature owing to acceleration of the chemical reaction and sintering.", publisher = "Trans Tech Publications Ltd", journal = "Materials Science Forum", title = "Mechanochemical synthesis of CaTiO3 from CaCO3-TiO2 mixture", pages = "434-429", volume = "453-454", url = "https://hdl.handle.net/21.15107/rcub_rimsi_105" }
Vukotić, V. M., Srećković, T., Marinković-Stanojević, Z., Branković, G., Cilense, M.,& Arandjelović, D.. (2004). Mechanochemical synthesis of CaTiO3 from CaCO3-TiO2 mixture. in Materials Science Forum Trans Tech Publications Ltd., 453-454, 429-434. https://hdl.handle.net/21.15107/rcub_rimsi_105
Vukotić VM, Srećković T, Marinković-Stanojević Z, Branković G, Cilense M, Arandjelović D. Mechanochemical synthesis of CaTiO3 from CaCO3-TiO2 mixture. in Materials Science Forum. 2004;453-454:429-434. https://hdl.handle.net/21.15107/rcub_rimsi_105 .
Vukotić, Vesna M, Srećković, Tatjana, Marinković-Stanojević, Zorica, Branković, Goran, Cilense, Mario, Arandjelović, D., "Mechanochemical synthesis of CaTiO3 from CaCO3-TiO2 mixture" in Materials Science Forum, 453-454 (2004):429-434, https://hdl.handle.net/21.15107/rcub_rimsi_105 .