Preparation of Porous Silica Ceramics with Low Dielectric Constant

被引：1
|
作者：
MAO Xiao-jiana
机构：
来源：
Chinese Journal of Aeronautics | 2006年 / S1期
关键词：
porous ceramics; SiO2; starch consolidation casting; bending strength; dielectric properties;
D O I：
暂无
中图分类号：
TN304 [材料];
学科分类号：
0805 ; 080501 ; 080502 ; 080903 ;
摘要：
Porous silica ceramics has been prepared with the starch consolidation casting method. Slurries with various fractions of starch added in were prepared by ball-milling. The evaluation of the microstructures was done through two techniques: Hg porosimetry and SEM investigation. The bending strength of the sintered samples varied within the range of 10 MPa-20 MPa and the low dielectric con-stant within the range of 2.0-2.4 correspondent with the porosity of 42%-56%. The ceramics holds a brilliant promise of being a kind of core material used in sandwich-like electromagnetic windows.
引用
收藏
页码：239 / 243
页数：5
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