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Study of affecting factors on porosity in gel-casting foam
Qunfang Xiao ; Xiaoshan Ning ; Ming Fu
2010-05-10 ; 2010-05-10
关键词Experimental/ casting ceramics foams gels porosity porous materials sintering slurries surfactants viscosity/ porosity gel-casting foam slurry foaming slurry gelation processing route porous ceramic fabrication mechanical stir process ceramic slurry initiator organic monomers ceramic powder green body sintering drying surfactant volume Reynolds number stir time slurry volume/ A8120L Preparation of ceramics and refractories A8120E Powder techniques, compaction and sintering A8130F Solidification A8270R Aerosols and foams A8270G Gels and sols A8270K Emulsions and suspensions A6140G Structure of powders and porous materials
中文摘要Foaming and gelation of slurry is a recently invented processing route for fabricating porous ceramic. According to the method, a mechanical stir process was introduced to the ceramic slurry added with surfactant, then initiator was added to induce fast gelation between organic monomers and ceramic powder, the green body was obtained after a subsequently drying process. At last, porous ceramic was fabricated after sintering the green body at high temperature. Effects of surfactant volume content and several stirring factors on porosity are studied in this paper. It results that there is a proportional relationship between porosity and Reynolds number which only changes when stir time varies, different slurry or surfactant volume content results in similar relationship between porosity and Reynolds number.
语种英语 ; 英语
出版者Trans Tech Publications ; Switzerland
内容类型期刊论文
源URL[http://hdl.handle.net/123456789/21178]  
专题清华大学
推荐引用方式
GB/T 7714
Qunfang Xiao,Xiaoshan Ning,Ming Fu. Study of affecting factors on porosity in gel-casting foam[J],2010, 2010.
APA Qunfang Xiao,Xiaoshan Ning,&Ming Fu.(2010).Study of affecting factors on porosity in gel-casting foam..
MLA Qunfang Xiao,et al."Study of affecting factors on porosity in gel-casting foam".(2010).
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