Journal
SCRIPTA MATERIALIA
Volume 62, Issue 7, Pages 466-468Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2009.12.018
Keywords
Alumina; Zirconia; Composite; Freeze-casting
Categories
Funding
- British Council
- University of Birmingham
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Porous Al2O3-ZrO2 Composites with homogeneous and long-range ordered channels were produced by an ice template method. An increase of the initial solids loading from 40 to 70 wt.% caused the final porosity to decrease from 74% to 35%, while the compressive strength increased from 15 to 81 MPa. The sample obtained from the 80 wt.% suspension was not porous, and a critical velocity model is employed to explain this phenomenon. (C) 2009 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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