Magnetic-field-tuned Insulator to Conductor Transition in Magnetorheological Suspension

被引：5

作者：

Yang, Xiongbo ^{[1
]}

Jiang, Yuhuan ^{[2
]}

Huang, Yuehua ^{[2
]}

Xu, Ruizhen ^{[1
]}

Piao, Hongguang ^{[1
]}

Jia, Gaomeng ^{[2
]}

Tan, Xinyu ^{[3
]}

机构：

[1] China Three Gorges Univ, Coll Sci, Yichang, Peoples R China

[2] China Three Gorges Univ, Coll Elect Engn & New Energy, Yichang, Peoples R China

[3] China Three Gorges Univ, Dept Sci Technol & Social Sci, Yichang, Peoples R China

来源：

JOURNAL OF MAGNETICS | 2014年 / 19卷 / 04期

基金：

美国国家科学基金会;

关键词：

electroconductibility; magnetorheological suspensions; magnetic materials; rheological properties; electrical properties; FLUID;

D O I：

10.4283/JMAG.2014.19.4.345

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Magnetorheological suspensions (MRSs) are smart materials that have the potential to revolutionize several industrial sectors because of their special rheological behaviors. In this paper, MRS, based on carbonyl iron (Cl) microparticles that were dispersed in silicone oil with oleic acid, were prepared. We showed that the electroconductibility of MRS was significantly influenced by the intensity of the external magnetic field that was applied. The resistance value can vary from infinite to below 300 ohm after applying an external magnetic field. The results indicated that this MRS had the property of magnetic-field-tuned insulator to conductor transition. This system has potential applications in controllable MRS electrical devices.

引用

页码：345 / 348

页数：4

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