Alumina Ceramic Foams with Controllable Cell Structure Prepared by Direct Foaming

被引：0
|
作者：
Zhao J. [1 ]
Mao X. [1 ]
Wang S. [1 ]
机构：
[1] Transparent Ceramics Research Center, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai
来源：
Kuei Suan Jen Hsueh Pao/Journal of the Chinese Ceramic Society | 2019年 / 47卷 / 09期
关键词：
Alumina; Ceramic foams; Direct foaming; Particle-stabilized foams; Surfactant;
D O I：
10.14062/j.issn.0454-5648.2019.09.05
中图分类号：
学科分类号：
摘要：
This review deals with the research progress of alumina ceramic foams for the last decade, i. e., open-cell alumina foams prepared from surfactant-stabilized foams and closed-cell alumina foams prepared from particle-stabilized foams. For surfactant-stabilized foams, epoxy-amine gel-casting and spontaneous coagulation casting are used to solidify the foams, thus obtaining alumina ceramic foams with an open-cell structure. For particle-stabilized foams, surfactants with long chains are used to hydrophobically modify alumina particles dispersed by adjusting pH value or adding dispersant. After direct foaming, particle-stabilized foams spontaneously solidify, thus obtaining alumina ceramic foams with a closed-cell structure. © 2019, Editorial Department of Journal of the Chinese Ceramic Society. All right reserved.
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页码：1222 / 1234
页数：12
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