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《Journal of Synthetic Crystals》 2010-04
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Influence of Nd_2O_3 on Porous Cordierite Prepared from Rice Husk

GUO Wei,LU Hong-bin,FENG Chun-xia,YU Hai-tao ( Department of Material Engineering,Yancheng Institute of Technology,Yancheng 224051,China) ( Received 25 November 2009,accepted 23 March 2010)  
Porous cordierite ceramic was prepared at 1350 ℃ using the rice husk as silica source and pore forming agent,Nd2O3 as the additive. The mineral phase changes during sintering were analyzed by X-ray diffraction ( XRD) ,the microstructures of the sintered samples were observed by scanning electronic microscopy ( SEM) ,and the bending strength and porosity of the porous cordierite samples were tested. The results show that the porosity of the sample adding 3 wt% Nd2O3 presents unobvious changes,but the bending strength of the porous cordierite increases about 4 times ,and the forming temperature of cordierite greatly decreased significantly.
【Fund】: 江苏省科技厅自然科学基金项目(BK2009671);; 江苏省教育厅自然科学基金项目(07KJB430123);; 江苏省生态环境材料重点建设实验室开放基金项目(XKY2009033)
【CateGory Index】: TQ174.1
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