SYNTHESIS OF CELLULAR INORGANIC MATERIALS BY FOAMING SOL GELS

被引：66

作者：

WU, MX

FUJIU, T

MESSING, GL

机构：

[1] Department of Materials Science and Engineering, The Pennsylvania State University, University Park

来源：

JOURNAL OF NON-CRYSTALLINE SOLIDS | 1990年 / 121卷 / 1-3期

关键词：

D O I：

10.1016/0022-3093(90)90167-K

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

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. © 1990.

引用

页码：407 / 412

页数：6

共 11 条

[1] THE SURFACE VISCOSITY OF DETERGENT SOLUTIONS AS A FACTOR IN FOAM STABILITY [J].