Abstract

Powder precursors based on the system (mol.%) 8Y2O3–(92 – X) ZrO2–XTiO2 are synthesized by a sol-gel method in a reverse coprecipitation version. The correlation of phase ratio evolution in precursors and particle dimensions within them are studied as a function of precursor heat treatment temperature. It is shown that in the temperature range 400 – 1500°C and compositions 0 ≤ X ≤ 20 the main crystal phases are cubic solid solutions. Their formation mechanism is proposed.

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