Low-temperature sintering of a tetragonal zirconia solid solution proceeds through the fracture of all agglomerates during pressing of samples from hydroxide powder coprecipitated from an aqueous solution and through the increased reactivity of amorphous zirconium hydroxide and oxide. Thermal treatment at 1100°C for 1 h produces ceramics with relative density 0.928, grain size 120–135 nm, and pore size 50–75 nm. Sintering is most intensive in the temperature range 950–1150°C and is less active in the range 800–950°C.
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Translated from Poroshkovaya Metallurgiya, Translated from Poroshkovaya Metallurgiya, Vol. 50, No. 5–6 (479), pp. 113–121, 2011.
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Gabelkov, S.V., Tarasov, R.V., Poltavtsev, N.S. et al. Low-temperature sintering of yttria-stabilized zirconia produced from amorphous powders. Powder Metall Met Ceram 50, 338–344 (2011). https://doi.org/10.1007/s11106-011-9337-6
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DOI: https://doi.org/10.1007/s11106-011-9337-6