莫来石
材料科学
热解
陶瓷
原位
过滤(数学)
复合材料
化学工程
高分子科学
矿物学
有机化学
数学
统计
工程类
化学
作者
Wenjun Zhu,Anran Guo,Yunjia Xue,Junjun Zhang,Zihao Liu,Chenglong Cao,Fangfang Zhang,Jiachen Liu
标识
DOI:10.1016/j.jeurceramsoc.2018.11.024
摘要
Abstract Highly porous mullite fiber-based ceramics with a three-dimensional cross structure were successfully designed and fabricated by filtration method. To address the thermal migration of silica sol, polysiloxane was introduced in the bonding system as high temperature binder to form more stable nods in the skeleton as opposed to silica sol which would migrate to the surface of fibers during the sintering process. Due to the lapped structure of mullite fibers, all products showed high porosity(74.1%∼80.9%), low density(0.554g/cm3∼0.608g/cm3) and relatively low thermal conductivity(
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