Kinetics of structure formation in electrorheological suspensions

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Abstract
Kinetics of structure formation in electrorheological (ER) suspensions are characterized by the time required to form percolating fibers following application of an external electric field. Experimental results are compared with predictions from simulations using an electrostaticpolarization model for ER suspensions. Results from the two approaches agree, with large response times at small concentrations, decreasing to 10 ms at large concentrations and field strengths of 2 kV/mm.