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材料研究学报  2003, Vol. 17 Issue (1): 26-30    
  论文 本期目录 | 过刊浏览 |
三维连通网络陶瓷电磁参数的改性
宫清; 方正;张劲松; 曹小明
中南大学
引用本文:

宫清; 方正; 张劲松; 曹小明 . 三维连通网络陶瓷电磁参数的改性[J]. 材料研究学报, 2003, 17(1): 26-30.

全文: PDF( KB)  
摘要: 以水玻璃为溶胶、以SiO2气溶胶粉末和磁性γ-Fe2O3粉末为填料,通过浸渍挂浆、凝胶、无机化等步骤,对三维连通网络陶瓷的介电常数和磁导率进行了改性. 结果表明,填加SiO2气溶胶粉末可以有效降低网络陶瓷的介电常数,控制SiO2气溶胶的填加量可以实现网络陶瓷介电常数的连续可调.填加磁性材料亦可以在一定范围内改变网络陶瓷的磁导率.在水玻璃溶胶浆料中加入不高于10%(质量分数)的SiO2气溶胶粉末,可使网络陶瓷的抗压性能显著提高; SiO2气溶胶粉末的填加量大于10%后,溶胶在网络陶瓷骨架表面及SiO2颗粒之间难以形成连续结合而使网络陶瓷的抗压强度下降.
关键词 无机非金属材料三维连通网络陶瓷电磁    
Key words
收稿日期: 1900-01-01     
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