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Lattice dynamics study of microstructures of electrorheological fluids

Wang, Z., Lin, Z. F. and Tao, R. B. (1998) Lattice dynamics study of microstructures of electrorheological fluids. Communications in Theoretical Physics, 29 (2). pp. 207-212. ISSN 0253-6102

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To link to this item DOI: 10.1088/0253-6102/29/2/207


The lattice dynamics method is used to study the stability of the chain structures formed in electrorheological (ER) fluids. The appearance of the soft modes in the phonon dispersion of the structures indicates that the chains tend to distort and aggregate into thicker columns due to the electrostatic attractive forces and thermal generated forces between them. The results show that the stability of the chains relies on their width and the separation between them. The complete chain structures are more stable than the chains with defects. The results can be used to elucidate the densification phenomenon of the chains in the structuring process of ER fluids in the quiescent state.

Item Type:Article
Divisions:Science > School of Mathematical, Physical and Computational Sciences > Department of Mathematics and Statistics
ID Code:38028
Publisher:Chinese Physical Society

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