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- Title
THE CONDUCTIVITY AND TEMPERATURE DEPENDENCE OF BATIO3 COATED- PAN BASED ELECTRORHEOLOGICAL FLUIDS.
- Authors
Wei, J. H.; Shi, J.; Liu, Z. Y.; Guan, J. G.; Yuan, R. Z.
- Abstract
Coated-PAn particles consisting of polyaniline(PAn) core and barium titanate (BaTiO3) shell were synthesized by modified sol-gel processing. The shear stress and current density of the suspensions of Coated-PAn particles and pure PAn particles in silicone oil with a 20vol% were investigated at different conductivity and environment temperature. The dielectric and the conductance behavior of coated PAn particles as a function of temperature we also investigated. The results showed that the ER effect of BaTiO3 coated PAn particles was far stronger than that of pure polyaniline synthesized by the same method. Meanwhile, the BaTiO3 coated-PAn particles also showed favorable temperature stability and low current loss at the high electric field, which is rather important for the ER fluids application.
- Subjects
ELECTRIC conductivity; TEMPERATURE effect; MAGNETIC fluids; ELECTRIC fields; FLUIDS; FLUID mechanics; MAGNETIC materials; RHEOLOGY
- Publication
International Journal of Modern Physics B: Condensed Matter Physics; Statistical Physics; Applied Physics, 2005, Vol 19, Issue 7-9, p1423
- ISSN
0217-9792
- Publication type
Article
- DOI
10.1142/S0217979205030396