Rutile-type dense ceramics fabricated by pressureless sintering of Ti1-xRuxO2 powders prepared by sol-gel

A novel method was used to obtain rutile-type Ti1-xRuxO2 (x = 0.0,0.08 and 0.10) as dense ceramics without the use of hot-pressing for the sintering step. The relative densities of the materials prepared were > 99.0% of theoretical. This method combines sol-gel synthesis, a pressureless fast-firi...

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Bibliographic Details
Published in:Journal of the European Ceramic Society 2007, Vol.27 (6), p.2369-2376
Main Authors: COLOMER, M. T, VELASCO, M. J
Format: Article
Language:English
Subjects:
Applied sciences
Building materials. Ceramics. Glasses
Ceramic industries
Chemical industry and chemicals
Exact sciences and technology
Miscellaneous
Technical ceramics
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Summary:A novel method was used to obtain rutile-type Ti1-xRuxO2 (x = 0.0,0.08 and 0.10) as dense ceramics without the use of hot-pressing for the sintering step. The relative densities of the materials prepared were > 99.0% of theoretical. This method combines sol-gel synthesis, a pressureless fast-firing method (heating and cooling rate of 20 C/min) at 1350 C for 10 min and the use of a buffer during the sintering that provides a RuO3 + RuO4 rich atmosphere. 35 refs.
ISSN:0955-2219
1873-619X
DOI:10.1016/j.jeurceramsoc.2006.09.006