O. Khasanov, Jae‐Shin Lee, Y. Pokholkov, E. Dvilis, V. Sokolov, B. An
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Influence of the shape factor on efficiency of the green compact ultrasonic compacting and properties of sintered zirconia ceramics
The properties of green compacts and ceramics from ZrO/sub 2/-Y/sub 2/O/sub 3/ nanopowder compacted under ultrasonic action (power of 0.5; 1; 2; 3 kW) were studied. The shape factor of the green compacts (the ratio of height to diameter) was h/D=0.05 and 0.37. Phase constitution, grain structure, density and shrinkage, of ceramics sintered at 1650/spl deg/C from the green compacts with different h/D, were investigated. The possibility for improvement of mechanical properties of advanced ceramics by using optimum regimes of ultrasonic compaction was shown.
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