Particle Shape Dependence of Polar Molecule Dominated Electrorheological Effect
نویسندگان
چکیده
We investigated the relations between the yield stress of polar-molecule dominated electrorheological (PM-ER) fluids and the shape of ellipsoidal particles of the fluids. It is found that, when the short axis of an ellipsoidal particle is along an external electric field while the volume of the particle keeps constant, the shorter of the short axis is, the stronger the attraction between the two adjacent particles would be. The equipment used for yield stress determination, the experiment and calculation of the condition under which the sample are short-axis chained, the detailed process of sample preparation and sample characterization will be described and discussed in an extended form of this paper.
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تاریخ انتشار 2009