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| Magnetic-field-tuned Insulator to Conductor Transition in Magnetorheological Suspension |
| Journal of Magnetics, Volume 19, Number 4, 31 Dec 2014, Pages 345-348 |
Xiongbo Yang (College of Science, China Three Gorges University), Yuhuan Jiang (College of Electrical Engineering & New Energy, China Three Gorges University), Yuehua Huang *  (College of Electrical Engineering & New Energy, China Three Gorges University), Ruizhen Xu (College of Science, China Three Gorges University), Hongguang Piao (College of Science, China Three Gorges University), Gaomeng Jia (College of Electrical Engineering & New Energy, China Three Gorges University), Xinyu Tan (Department of Science & Technology and Social Science, China Three Gorges University) |
| Abstract |
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 (CI) 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 Ω 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.
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| Keywords: electroconductibility; magnetorheological suspensions; magnetic materials; rheological properties; electrical properties |
| DOI: http://dx.doi.org/10.4283/JMAG.2014.19.4.345 |
| Full Text: PDF |
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