Preparation and Structure Characterization of Mullite Fiber Porous Ceramic
Mullite fiber porous ceramic was prepared by forced liquid displacement forming and using Mullite precursor sols as binders.SEM studies have shown that the uniformity of integral ceramic is good although the binder and fiber congregate slightly.Mullite precursor sols spread to films or congregate together in miniature.The mullite sol binders between fibers limit to the contact points and the redundant binders form flat film even if they are superfluous,and the pores were not built up even where the binders congregate badly.The results from mercury porosimetry testing of the mullite fiber porous ceramic showed the relationship of cumulative intrusion and diameter for mullite fiber porous ceramic using colloidal mullite binder,and the mean pore size is 45.6μm.The pore size distribution is very broad,from about 0.2 to 174.9μm.
Mullite fiber porous ceramic Forced liquid displacement forming
Hui Wang Lingke Zeng
College of Materials science and Engineering,South China University of Technology,Guangzhou 510640,China
国际会议
The Fifth China International Conference on High-Performance Ceramics (第五届先进陶瓷国际研讨会(CICC-5))
长沙
英文
809-811
2007-05-10（万方平台首次上网日期，不代表论文的发表时间）