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

Margarita Karpe | Zendy; Gundars Mežinskis | Zendy; Laimons Timma | Zendy

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

Author(s) -

Margarita Karpe,

Gundars Mežinskis,

Laimons Timma

Publication year - 2014

Publication title -

material science and applied chemistry

Language(s) - English

Resource type - Journals

ISSN - 2255-8713

DOI - 10.7250/msac.2014.010

Subject(s) - nanoporous , materials science , ceramic , crystallite , sol gel , chemical engineering , cubic zirconia , porosity , ternary operation , particle size , particle size distribution , titanium , adsorption , composite material , nanotechnology , metallurgy , organic chemistry , chemistry , computer science , engineering , programming language

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.

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