Non Linear Rheology of Wormlike Micelles

  • A. Ponton
  • D. Quemada
Conference paper

Abstract

The motivation of this study is a recent work of Porte et al. (1997) on shear induced inhomogeneous flows of solutions of giant micelles. The authors proposed a phenomenological analysis based on a effective potential that accounts for the free energy stored in a viscoelastic material under steady shear conditions. In such a scheme, mechanical flow instabilities have been described by a non-monotonic constitutive relation for the shear stress as a function of the shear rate. The model accounts for the existence of a stress plateau in which the set of stationnary states is highly degenerate in a shear rate controlled experiment. As a consequence, hysteresis is predicted but not observed experimentally.

Keywords

Surfactant Salicylate Cetylpyridinium 

References

  1. Berret JF, Roux DC, Porte G (1994) J Phys II France 4:1261–1279CrossRefGoogle Scholar
  2. Cates ME, McLeish TCB, Marrucci G (1993) Europhys Lett 4:451–456ADSCrossRefGoogle Scholar
  3. Porte G, Berret JF, Harden JL (1997) J Phys II France 7:459–472CrossRefGoogle Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 1998

Authors and Affiliations

  • A. Ponton
    • 1
  • D. Quemada
    • 1
  1. 1.Laboratoire de Biorhéologie et d’Hydrodynamique Physico-chimique (L.B.H.P.), CNRS ESA 7057Univerité Paris VIIParis Cedex 05France

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