Porous Al2O3-ZrO2 composites fabricated by an ice template method

G Liu; D Zhang; Carl Meggs; Timothy Button

doi:10.1016/j.scriptamat.2009.12.018

Porous Al2O3-ZrO2 composites fabricated by an ice template method

G Liu, D Zhang, Carl Meggs, Timothy Button

Metallurgy and Materials

Research output: Contribution to journal › Article

59 Citations (Scopus)

Abstract

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.

Original language	English
Pages (from-to)	466-468
Number of pages	3
Journal	Scripta Materialia
Volume	62
Issue number	7
DOIs	https://doi.org/10.1016/j.scriptamat.2009.12.018
Publication status	Published - 1 Apr 2010

Keywords

Zirconia
Alumina
Freeze-casting
Composite

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10.1016/j.scriptamat.2009.12.018

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abstract = "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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AB - 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.

KW - Zirconia

KW - Alumina

KW - Freeze-casting

KW - Composite

U2 - 10.1016/j.scriptamat.2009.12.018

DO - 10.1016/j.scriptamat.2009.12.018

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ER -

Porous Al2O3-ZrO2 composites fabricated by an ice template method

Abstract

Keywords

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