Effect of Adding Nanosize ZrO2 and Compaction Processing Parameters on Properties of Composites Based on Al2O3 and ZrO2

Effect of Adding Nanosize ZrO2 and Compaction Processing Parameters on Properties of Composites... The effect of dry axial compaction process parameters on physicomechanical properties of ceramic composite material ZTA (Al2O3–ZrO2, ZrO2 > 20 wt.%) with a different content of nanosize ZrO2 powder (range 0 – 4 wt.%) is studied. The dependence of compact density is determined, and also the main physicomechanical properties of sintered specimens on compaction conditions, and linear specimen shrinkage on compaction pressure in the pressing direction and radial direction. It is revealed that an increase in the amount of nanosize ZrO2 in an original charge facilitates an increase in compact and sintered specimen density, and a reduction in specimen linear shrinkage during firing. Comparative evaluation is carried out under industrial production conditions for wear resistance of ceramic specimens based on Al2O3 and ZrO2 with a different ZrO2 content, and also addition of nanosize ZrO2. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Refractories and Industrial Ceramics Springer Journals

Effect of Adding Nanosize ZrO2 and Compaction Processing Parameters on Properties of Composites Based on Al2O3 and ZrO2

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Publisher
Springer Journals
Copyright
Copyright © 2014 by Springer Science+Business Media New York
Subject
Material Science; Characterization and Evaluation of Materials; Materials Science, general; Ceramics, Glass, Composites, Natural Methods
ISSN
1083-4877
eISSN
1573-9139
D.O.I.
10.1007/s11148-014-9618-y
Publisher site
See Article on Publisher Site

Abstract

The effect of dry axial compaction process parameters on physicomechanical properties of ceramic composite material ZTA (Al2O3–ZrO2, ZrO2 > 20 wt.%) with a different content of nanosize ZrO2 powder (range 0 – 4 wt.%) is studied. The dependence of compact density is determined, and also the main physicomechanical properties of sintered specimens on compaction conditions, and linear specimen shrinkage on compaction pressure in the pressing direction and radial direction. It is revealed that an increase in the amount of nanosize ZrO2 in an original charge facilitates an increase in compact and sintered specimen density, and a reduction in specimen linear shrinkage during firing. Comparative evaluation is carried out under industrial production conditions for wear resistance of ceramic specimens based on Al2O3 and ZrO2 with a different ZrO2 content, and also addition of nanosize ZrO2.

Journal

Refractories and Industrial CeramicsSpringer Journals

Published: Mar 13, 2014

References

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