Influence of La_2O_3 on preparation and performance of porous cordierite from rice husk

作     者：郭伟 陆洪彬 冯春霞 

作者机构：Department of Materials Engineering Yancheng Institute of Technology 

出 版 物：《Journal of Rare Earths》 (稀土学报（英文版）)

年 卷 期：2010年第28卷第4期

页      面：614-617页

核心收录：

学科分类：0709[理学-地质学] 0819[工学-矿业工程] 07[理学] 070205[理学-凝聚态物理] 08[工学] 0708[理学-地球物理学] 080501[工学-材料物理与化学] 0805[工学-材料科学与工程（可授工学、理学学位）] 0703[理学-化学] 0702[理学-物理学] 

基　　金：Project supported by the Jiangsu Province Natural Science Foundation (BK2009671) the Natural Science Foundation of Jiangsu Provincial Edu-cation Department (07KJB430123) the Key Laboratory Foundation of Ecological-Environment Materials (Yancheng Institute of Technology) of Jiangsu Province (XKY2009033) 

主　　题：porous ceramic cordierite rice husk lanthana 

摘      要：A porous cordierite was synthesized at 1350 ℃ using rice husk as silica source and pore forming agent, and La2O3 as fluxing agent. The crystal phases of the cordierite were analyzed by X-ray diffraction (XRD) and their microstructures were observed by scanning electronic microscopy (SEM). The flexural strength, porosity and thermal expansion coefficient of the porous cordierite samples were inves- tigated in detail. Results showed that when 5 wt.% La2O3 was added, the flexural strength, porosity and thermal...