Electrical properties of electrorheological particle clusters

被引：8
|
作者：
Wu, CW [1 ]
Conrad, H [1 ]
机构：
[1] N Carolina State Univ, Dept Mat Sci & Engn, Raleigh, NC 27695 USA
来源：
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 1998年 / 255卷 / 1-2期
基金：
美国国家科学基金会;
关键词：
electrorheology; glass beads; silicone oil; current density; conductivity; saturation zone; saturation field;
D O I：
10.1016/S0921-5093(98)00777-1
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The electrical conductivity of static clusters of similar to 220-mu m diameter humidified glass beads in silicone oil arranged in a rectangular or cubic lattice was determined under d.c. electric field. The current density flowing through the cluster increased with field strength. It was independent of the number of glass spheres forming a chain in the cluster but increased with the number of chains comprising the cluster. The conductivity of a single chain was about twice the saturation conductivity of the silicone oil. Some possible reasons for the enhanced current density of a cluster of particles compared to an equal number of single-row chains are proposed. (C) 1998 Elsevier Science S.A. All rights reserved.
引用
收藏
页码：66 / 69
页数：4
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