Transient behavior of the microstructure of electrorheological fluids in shear flow mode

S. L. Vieira, M. Nakano, S. Henley, F. E. Filisko, L. B. Pompeo Neto, A. C.F. Arruda

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

It was reported that under the simultaneous stimulus of an electric field and shear, the particles in an ER fluid form lamellar formations in the direction of shear (adhered to one of the electrodes) which may be responsible for the ER activity more than the strength of the chains. In this way, it would be expected that the shear stress should change consistently with the morphology of the formations. In this work we studied the effect of shearing time, electric field strength and shear rate on the shear stress. We suggest that changes on shear stress with time are due to changes of the morphology of the lamellar formations.

Original languageEnglish
Pages (from-to)695-703
Number of pages9
JournalInternational Journal of Modern Physics B
Volume15
Issue number6-7
Publication statusPublished - 2001 Mar 20
Externally publishedYes

ASJC Scopus subject areas

  • Statistical and Nonlinear Physics
  • Condensed Matter Physics

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