Synthesis of cellular inorganic materials by foaming sol-gels

Mianxue Wu; Takamitsu Fujiu; Gary L. Messing

doi:10.1016/0022-3093(90)90167-K

Synthesis of cellular inorganic materials by foaming sol-gels

Mianxue Wu, Takamitsu Fujiu, Gary L. Messing

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

79 Scopus citations

Abstract

A method for synthesizing low density, cellular inorganic materials from sol-gels has been developed. The method utilizes viscosity control during gelation to stabilize bubbles generated from freon droplets dispersed in the sol. Cellular silica, mullite and zirconia-toughened mullite have been fabricated with relative densities ranging from 10 to 45% and average cell sizes ranging from 30 to 1000 μm in diameter in dense matrices. This new class of low density, sol-gel-derived materials offers many opportunities in high temperature insulation, low permittivity substrates and catalyst supports, to name a few.

Original language	English (US)
Pages (from-to)	407-412
Number of pages	6
Journal	Journal of Non-Crystalline Solids
Volume	121
Issue number	1-3
DOIs	https://doi.org/10.1016/0022-3093(90)90167-K
State	Published - May 1 1990

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Ceramics and Composites
Condensed Matter Physics
Materials Chemistry

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10.1016/0022-3093(90)90167-K

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abstract = "A method for synthesizing low density, cellular inorganic materials from sol-gels has been developed. The method utilizes viscosity control during gelation to stabilize bubbles generated from freon droplets dispersed in the sol. Cellular silica, mullite and zirconia-toughened mullite have been fabricated with relative densities ranging from 10 to 45% and average cell sizes ranging from 30 to 1000 μm in diameter in dense matrices. This new class of low density, sol-gel-derived materials offers many opportunities in high temperature insulation, low permittivity substrates and catalyst supports, to name a few.",

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AU - Wu, Mianxue

AU - Fujiu, Takamitsu

AU - Messing, Gary L.

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N2 - A method for synthesizing low density, cellular inorganic materials from sol-gels has been developed. The method utilizes viscosity control during gelation to stabilize bubbles generated from freon droplets dispersed in the sol. Cellular silica, mullite and zirconia-toughened mullite have been fabricated with relative densities ranging from 10 to 45% and average cell sizes ranging from 30 to 1000 μm in diameter in dense matrices. This new class of low density, sol-gel-derived materials offers many opportunities in high temperature insulation, low permittivity substrates and catalyst supports, to name a few.

AB - A method for synthesizing low density, cellular inorganic materials from sol-gels has been developed. The method utilizes viscosity control during gelation to stabilize bubbles generated from freon droplets dispersed in the sol. Cellular silica, mullite and zirconia-toughened mullite have been fabricated with relative densities ranging from 10 to 45% and average cell sizes ranging from 30 to 1000 μm in diameter in dense matrices. This new class of low density, sol-gel-derived materials offers many opportunities in high temperature insulation, low permittivity substrates and catalyst supports, to name a few.

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Synthesis of cellular inorganic materials by foaming sol-gels

Abstract

All Science Journal Classification (ASJC) codes

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