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Porous zirconium titanate ceramics synthesized by sol-gel process (CROSBI ID 138387)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Macan, Jelena ; Gajović, Andreja ; Ivanković, Hrvoje Porous zirconium titanate ceramics synthesized by sol-gel process // Journal of the European Ceramic Society, 29 (2009), 4; 691-696. doi: 10.1016/j.jeurceramsoc.2008.07.001

Podaci o odgovornosti

Macan, Jelena ; Gajović, Andreja ; Ivanković, Hrvoje

engleski

Porous zirconium titanate ceramics synthesized by sol-gel process

Zirconium titanate, ZrTiO4, was synthesized by sol-gel method from zirconium butoxide and titanium isopropoxide. Amorphous ZrTiO4 powder was ground, calcined at 500 °C, and milled to homogenise size distribution of the powder. Milled powder was pressed into tablets and sintered at 900-1400 °C for 8 hours. Differential scanning calorimetry and dilatometric studies indicated crystallization of ZrTiO4 at 600-700 °C. Raman spectroscopy and X-ray diffraction analysis confirmed presence of crystallized ZrTiO4 already at 900 °C, and crystallite size was determined by Scherrer equation. Scanning electron microscopy showed that ZrTiO4 grains begin to sinter at higher temperatures, starting from 1200 °C, while preserving high porosity up to 1300 °C as confirmed by dilatometry and mercury intrusion porosimetry.

sol-gel processes ; sintering ; porosity ; zirconium titanate

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Podaci o izdanju

29 (4)

2009.

691-696

objavljeno

0955-2219

1873-619X

10.1016/j.jeurceramsoc.2008.07.001

Povezanost rada

Fizika, Kemijsko inženjerstvo, Temeljne tehničke znanosti

Poveznice
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