Particle-stabilized Foams for Advanced Ceramic Component Production

被引：2
|
作者：
Franks, George V. [1 ,2 ]
Chuanuwatanakul, Chayuda [1 ]
Tallon, Carolina [1 ,2 ]
机构：
[1] Univ Melbourne, Parkville, Vic 3010, Australia
[2] Def Mat Technol Ctr, Hawthorn, Vic 3122, Australia
来源：
CHEMISTRY LETTERS | 2012年 / 41卷 / 10期
关键词：
WET FOAMS; MACROPOROUS CERAMICS; SOLID PARTICLES; POROUS CERAMICS; EMULSIONS; WATER;
D O I：
10.1246/cl.2012.1360
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The morphology of alumina gelcast ceramic foams is influenced by surfactant concentration and chain length. The surfactants cause the ceramic particles to become hydrophobic and stabilize air bubbles introduced by beating. The microstructure transforms from closed pore (bubble) morphology to open pore (granular) morphology as surfactant concentration is increased. The influence of the contact angle is less significant than the influence of the particle aggregate size (and suspension viscosity) on determining the transition from bubble-like to granular morphology.
引用
收藏
页码：1360 / 1362
页数：3
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