Properties of ceramics prepared from nanopowders

Fine-grained (on the order of several microns in grain size) ceramics have been produced from various nano- and submicron-sized powders (silica, alumina, titania, aluminum nitride, and tungsten carbide). The compaction and sintering behaviors of various powder mixtures and the properties of the resu...

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Veröffentlicht in:	Inorganic materials 2009-03, Vol.45 (3), p.335-339, Article 335
Hauptverfasser:	Bardakhanov, S. P., Kim, A. V., Lysenko, V. I., Nomoev, A. V., Trufanov, D. Yu, Buyantuev, M. D., Bazarova, D. Zh
Format:	Artikel
Sprache:	eng
Schlagworte:	Aluminum oxide Ceramics Chemistry Chemistry and Materials Science Grain size Industrial Chemistry/Chemical Engineering Inorganic Chemistry Materials Science Nanocomposites Nanomaterials Nanostructure Resultants Titanium dioxide
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Beschreibung
Zusammenfassung:	Fine-grained (on the order of several microns in grain size) ceramics have been produced from various nano- and submicron-sized powders (silica, alumina, titania, aluminum nitride, and tungsten carbide). The compaction and sintering behaviors of various powder mixtures and the properties of the resultant ceramics have been studied. For a number of compositions, fine-grained, dense, high-strength ceramics have been obtained with a microhardness of up to 16–18 GPa.
ISSN:	0020-1685 1608-3172 1608-3172
DOI:	10.1134/S0020168509030200