Abstract
The conditions of ceramic nanopowder compaction essentially influence the quality and properties of sintered ceramics. Methods for determination of important parameters of nanopowder dry compaction with regard to powder body elastic properties are presented for the following parameters: powder body elastic modulus and sound velocity; Poisson ratio; coefficients of internal friction, wall friction, lateral pressure; elastic aftereffect in height and diameter; density uniformity; green compact quality parameter. The influence of ultrasound action of different power on these characteristics is shown. The experimental dependences of the compaction parameters of ZrO/sub 2/-Y/sub 2/O/sub 3/ nanopowder on compaction pressure, ultrasound power are analysed. Conclusions about the effective range of nanopowder ultrasonic compaction are obtained.
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