Abstract
The structural-scale hierarchy and phase composition of zirconia nanoceramics (ZrO2 — 5.4wt%Y2O3) fabricated from plasma chemical zirconia nanopowder compacted by ultrasonic (US) action and without it are studied and compared. It has been shown, that US-action is rather effective method in technological process of nanoceramics production. It involves a reduction of grain sizes and grain aggregate sizes of sintered ceramics; the grain in such ceramics is a layered pack of subgrains, nuclei of which are the scaly particles of initial nanostructured powder (NP). The ceramics consists of cubic and tetragonal phases of zirconia
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Khasanov, O.L., Pokholkov, Y.P., Ivanov, Y.F., Ljubimova, L.L., Makeev, A.A. (2002). Effect of Ultrasonic Compaction of Nanopowder on Structure and Fracture Character of Zirconia Nanoceramics. In: Bradt, R.C., Munz, D., Sakai, M., Shevchenko, V.Y., White, K. (eds) Fracture Mechanics of Ceramics. Springer, Boston, MA. https://doi.org/10.1007/978-1-4757-4019-6_40
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DOI: https://doi.org/10.1007/978-1-4757-4019-6_40
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