The effect of aggregation on rheological characteristics of an electrorheological fluid of the particle dispersion type

Authors: Shimada, Kunio¹; Iwabuchi, Makio¹; Okui, Kenichi¹; Fujita, Toyohisa²

Source: Advanced Powder Technology, Volume 7, Number 4, 1996 , pp. 319-328(10)

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Abstract:

A study was conducted on the effect of particle aggregation on the rheological characteristics of an electrorheological (ER) fluid of the BaTiO₃ type as a colloidal ER fluid. Increasing viscosity by applying an electric field was measured using a rotating viscometer. The experimental data was compared with the theoretical analysis taking into account either uniform particle dispersion or particle aggregation. The effect of aggregation on the rheology of the ER fluid was clarified and the increasing viscosity was quantitatively determined by a formula based on the aggregation model.

Document Type: Research article

DOI: http://dx.doi.org/10.1163/156855296X00067

Affiliations: 1: Department of Mechanical Systems Engineering, Toyama University, 3190 Gofuku, Toyama 930, Japan 2: Department of Geosciences, Mining Engineering and Materials Processing, Akita University, 1-1 Tegata Gakuencho, Akita 010, Japan

Publication date: 1996-01-01