Preparation of porous ceria doped tetragonal zirconia ceramics by capsule free hot isostatic pressing

S. Yin; S. Uchida; Y. Fujishiro; M. Ohmori; T. Sato

doi:10.1179/bct.1999.98.1.19

Preparation of porous ceria doped tetragonal zirconia ceramics by capsule free hot isostatic pressing

S. Yin, S. Uchida, Y. Fujishiro, M. Ohmori, T. Sato

Center for Exploration of New Inorganic Materials

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

Normal sintering and capsule free hot isostatic pressing (HIPing) of 12CeO₂-88ZrO₂ powder were carried out at 1100-1200°C using different starting powders. Porous ceramics of this composition with approx. 35% open porosity, micropore diameters of approx. 23% nm, and narrow pore size distributions were fabricated by capsule free hot isostatic pressing at 1100°C using the powders crystallised in methanol followed by supercritical drying. The porosity increased with decrease in HIPing temperature and was accompanied by a steady decrease in fracture strength.

Original language	English
Pages (from-to)	19-23
Number of pages	5
Journal	British Ceramic Transactions
Volume	98
Issue number	1
DOIs	https://doi.org/10.1179/bct.1999.98.1.19
Publication status	Published - 1999 Jan 1

ASJC Scopus subject areas

Ceramics and Composites

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AU - Uchida, S.

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AU - Ohmori, M.

AU - Sato, T.

PY - 1999/1/1

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AB - Normal sintering and capsule free hot isostatic pressing (HIPing) of 12CeO2-88ZrO2 powder were carried out at 1100-1200°C using different starting powders. Porous ceramics of this composition with approx. 35% open porosity, micropore diameters of approx. 23% nm, and narrow pore size distributions were fabricated by capsule free hot isostatic pressing at 1100°C using the powders crystallised in methanol followed by supercritical drying. The porosity increased with decrease in HIPing temperature and was accompanied by a steady decrease in fracture strength.

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