PARAMETERS AFFECTING LAMELLAR FORMATIONS IN ER FLUIDS: AN ALTERNATIVE MODEL FOR ER ACTIVITY

Autor:	S. Henley, Frank E. Filisko
Rok vydání:	2001
Předmět:	Materials science Concentration dependence business.industry Field dependence Statistical and Nonlinear Physics Condensed Matter Physics Shear rate Optics Shear (geology) Electric field Electrode Lamellar structure Composite material business
Zdroj:	International Journal of Modern Physics B. 15:686-694
ISSN:	1793-6578 0217-9792
DOI:	10.1142/s0217979201005167
Popis:	Under static conditions, ER suspensions form columns under electric field. However under the combined stimulii of a shear and electric field, the particles assemble into lamellar structures. The morphology of these structures are complex functions of electric field, shear rate, time of shear, electrode gap, particle concentration, and others. In this paper we present information regarding the field dependence, the concentration dependence, and the sequence of application of the electric and shear fields. A alternative model for ER activity, other than chain breaking, is presented which incorporates this lamellar texture.
Databáze:	OpenAIRE
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