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Zirconia (yttria)–alumina ceramic nanocomposites were fabricated from different powders by spark plasma sintering (SPS). One powder was a commercially available nanocomposite powder TZP-3Y20A, consisting of 3mol% yttria-stabilized zirconia (3-YSZ) reinforced with 20wt% alumina, and the other, used as a comparison, was a conventional mechanically mixed powder 3YSZ-20A, a blend made of 3mol% yttria-stabilized...
The new small-scale cross-axis coil planet centrifuge (X-axis CPC) previously designed and fabricated in our laboratory has a distinctive feature such that four separation columns of similar weight are mounted symmetrically around the rotary frame to achieve stable balancing of the centrifuge under a high revolution speed. In this column layout, neighboring columns must be rotated in the opposite...
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