Electro-rheological behavior of suspension composed of titanium dioxide nano-particles

The electro-rheological behavior was investigated for a suspension composed of titanium dioxide nano-particles with narrow gap distances of the electrodes of 50 and 100 micro m. The suspended particles were remarkably stable against the sedimentation, and the nano-suspension showed a good fluidity....

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Bibliographic Details
Published in:Sensors and actuators. A. Physical. 2004-05, Vol.112 (2-3), p.376-380
Main Authors: Tanaka, K, Wakayasu, T, Kubono, A, Akiyama, R
Format: Article
Language:English
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Summary:The electro-rheological behavior was investigated for a suspension composed of titanium dioxide nano-particles with narrow gap distances of the electrodes of 50 and 100 micro m. The suspended particles were remarkably stable against the sedimentation, and the nano-suspension showed a good fluidity. It is noteworthy that the nano-suspension was electrically stable. The induced stress over 3000 Pa was found by the dc electric field with a strength of 16 kV /mm, which was 300 times the stress under no electric field. The similar induced stress was also found by application of the sinusoidal electric field with a frequency of 4.0 Hz.
ISSN:0924-4247
DOI:10.1016/j.sna.2004.02.009