journal6 ›› 2000, Vol. 21 ›› Issue (2): 12-15.

• Doctoral Forum • Previous Articles     Next Articles

Mechanical Properties of the Metal-Particle/ Insulating Oil System


  1. ( Department of Physics, Jishou University , Jishou 416000)
  • Online:2000-06-15 Published:2013-01-16
  • Supported by:

    Supported by the National natural Science Foundation of China under Grant No. 19874021 and the Foundation of Educational Commitree of Hunan Province of China under Grant No. 98B087

Abstract: Rayleigh identity based on a multipole expansion theory is extended to investigatethe mechanical properties of an ideal electrorheological fluid which consists of metal particles with insulating outer layer in a dielectricoil. Evaluation of the effective dielectric constant is emphasized.The dependence of the shear stress  on the shear strain and theshear modulus G for chains of particles arranged on a square lattice are presented.

Key words: Electrorheological fluids, Effective dielectric constant, Static yield stress, Shear modulus

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