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The aim of research is to develop an area of nanoporous ceramics of ternary systems. Nanoporous ceramic system SiO 2 -TiO 2 -ZrO 2 has been synthesized via sol-gel technology by hydrolysis of tetraethylorthosilicate (TEOS), zirconia and titanium alcoxides solutions. The sols have been polymerized at room temperature to obtain gels and dried at 100  o C, then milled for 1 or 6 hours for particle homogenization, pressed into samples, and then sintered at 800  o C or 1000  o C in air. The samples have been characterized by XRD, particle size distribution, crystallite size distribution, compressive strength. Porosity of ceramic samples has been determined by nitrogen adsorption-desorption isotherms.

Synthesis of Nanoporous SiO2-TiO2-ZrO2 Ceramics Using Sol-gel Technology