文献类型：期刊文献

中文题名：TiO_2悬浮液颗粒团聚机理及团聚体分形特征研究

英文题名：Study on Aggregation Mechanism and Fractal Characteristic of Ultra-fine TiO_2

作者：周邵萍[1];葛晓陵[1]

机构：[1]华东理工大学机械与动力工程学院,上海200237

年份：2013

卷号：32

期号：8

起止页码：1680

中文期刊名：硅酸盐通报

外文期刊名：Bulletin of the Chinese Ceramic Society

收录：CSTPCD;;北大核心:【北大核心2011】；CSCD:【CSCD2013_2014】；

语种：中文

中文关键词：超细钛白石;团聚石;分形石;稳定性

外文关键词：ultra-fine TiO2 ; aggregation ; fractal ; stability

摘要：本文实验测试不同浓度TiO2悬浮液的相关参数,包括颗粒粒径、电导率、介电常数、表面电势、颗粒的Zeta电势等,计算了不同浓度悬浮液颗粒间作用势能,分析了颗粒团聚机理及悬浮液的稳定性。用光学显微镜观察不同浓度悬浮液团聚体的形貌。在此基础上,从团聚体的自相似性、实验获得团聚体的形貌出发,分析了团聚体的分形特征,并用分形软件计算了不同浓度悬浮液团聚体的分形维数。
Physical properties of ultra-fine TiO2 suspension with different concentration were measured, such as average diameter, electric conductivity, dielectric constant, surface potential, zeta potential. In addition, the inter-particles potential curves of different concentration suspensions were calculated and figured out. The aggregate characteristic and the stability of TiO2 suspension were analyzed. Based on the self-similarity of ultra-fine TiO2 agglomerates and morphology of agglomerates from experiments, the fractal characteristics and the fractal dimension of TiO2 agglomerates were analyzed and calculated with fractal software.