Dielectric properties of magnetic liquids in high electric fields

被引：8
|
作者：
Herchl, F. [1 ]
Kopcansky, P. [1 ]
Timko, M. [1 ]
Koneracka, M. [1 ]
Marton, K. [2 ]
Kolcunova, I. [2 ]
Tomco, L. [3 ]
机构：
[1] SAS, Inst Expt Phys, Kosice 04353, Slovakia
[2] Tech Univ, Fac Elect Engn & Informat, Kosice 04200, Slovakia
[3] Tech Univ, Fac Aeronaut, Kosice 04121, Slovakia
来源：
ACTA PHYSICA POLONICA A | 2008年 / 113卷 / 01期
关键词：
D O I：
10.12693/APhysPolA.113.569
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
In this work, dielectric properties of magnetic fluids composed of magnetite particles dispersed in transformer oil and subjected to a uniform magnetic field were investigated at the high alternating electric field intensities in the range of 0.5-2.5 MV/m. Dielectric stability of the magnetic fluid with the particle volume concentration Phi = 0.0019 was observed. The magnetic fluid with the concentration Phi = 0.019 showed the significant changes of permittivity and dielectric losses, too.
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页码：569 / 572
页数：4
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