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Influence of twin cations on zirconia composites stability

Domenii publicaţii > Stiinte ingineresti + Tipuri publicaţii > Articol în revistã ştiinţificã

Autori: Volceanov Enikõ , Volceanov Adrian, Stoleriu Stefania, Melinescu Alina, Plãpcianu Carmen

Editorial: Elsevier Publisher, Elsevier, Journal of European Ceramic Society, 27, p.763 - 768,, 2007.


Last years the ternary stabilized zirconia systems attract a considerable attention as a source of materials for structural ceramics as well as for modern fuel cells.
The simultaneous influence of a pair of cations (twinned) such as: Mg2+ – Ca2+ and Sr2+- Ca2+ on zirconia powders stabilization process in 1550 – 1800 oC temperature range. Samples for investigations were performed by classical ceramic method. Comparative microstructure investigations were made by SEM on sample surfaces. The XRD analysis and EDS spectra for the considered samples are in good agreement with the determined properties of the studied compositions.

Cuvinte cheie: ceramica strcuturala, compozite cu matrice ceramica, ZrO2, MgO // structural ceramic, composite with ceramic matrix, ZrO2, MgO