The Study of Percolation Phenomena in the Natural Clay Minerals by Dielectric Spectroscopy

被引：1
|
作者：
Vasilyeva, M. A. [1 ]
Gusev, Yu. A. [1 ]
Shtyrlin, V. G. [1 ]
机构：
[1] Kazan Fed Univ, Kazan, Russia
来源：
GEORESURSY | 2013年 / 52卷 / 02期
关键词：
clay minerals; adsorbed water; dielectric spectroscopy; percolation; fractal dimension;
D O I：
10.18599/grs.52.2.7
中图分类号：
TE [石油、天然气工业];
学科分类号：
0820 ;
摘要：
The interaction of natural clay minerals with adsorbed water molecules by dielectric spectroscopy has been studied. In the samples observed the phenomenon of percolation was detected in the frequency range from 1Hz to 1MHz and temperatures from -70 degrees C to +70 degrees C due to the transfer of electrical excitation in the extensive network of open pores connected by migration of protons and ions on the outer surface of the beads. The obtained values of structural fractal dimensions as numerical characteristics of geometric heterogeneity of clay, calculated using two independent methods dielectric spectroscopy at a temperature of percolation and fractal analysis of micrographs, are in good agreement with each other.
引用
收藏
页码：29 / 33
页数：5
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