Heterogeneous Sol-Gel Systems – Derived Ceramics

Abstract:

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Heterogeneous sol-gel systems (suspensions), synthesized by mixing sols and fillers of various dispersity (oxides, minerals, etc.), are successfully used to prepare glass-ceramic coatings. Sol composition (precursor, catalyst, solvent, dopants), filler dispersity and a homogenization mode for obtained suspensions essentially influence the properties of coatings formed. Here ways of the control of properties of heterogeneous sol-gel systems (by using various dopants, additives of organic low- and high-molecular compounds, as well as ultrasound) to reach set electro-physical and mechanical characteristics of coatings are considered in details. A number of examples of applications of glass-ceramic and hybrid coatings as well as ‘skin’ - layers are resulted.

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Periodical:

Edited by:

Pietro VINCENZINI, Ralf RIEDEL, Alexander G. MERZHANOV and Chang-Chun GE

Pages:

131-140

DOI:

10.4028/www.scientific.net/AST.63.131

Citation:

O. A. Shilova "Heterogeneous Sol-Gel Systems – Derived Ceramics", Advances in Science and Technology, Vol. 63, pp. 131-140, 2010

Online since:

October 2010

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$35.00

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