The linear-viscoelastic behaviour of a dispersion of transversely rigid spherical capsules

G.J. de Bruin, R.A. de Bruijn, J. Mellema

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Abstract

A rheological model has been derived for the linear-viscoelastic behaviour of a dispersion of transversely rigid spherical capsules. The model incorporates finite thickness of the elastic shell of the capsules, anisotropy of the mechanical properties of the interface and finite volume fraction. The dynamic viscosity of the dispersion is calculated. The influence of the microstructural parameters is considered and the results are compared with those of other models. The model shows that finite thickness of the shell can strongly influence the relaxation times.
Original languageUndefined
Pages (from-to)159-174
Number of pages1
JournalRheologica acta
Volume24
Issue number2
DOIs
Publication statusPublished - 1985

Keywords

  • complex viscosity
  • transversely rigid shell
  • linear viscoelasticity
  • IR-85724
  • Dispersion
  • METIS-129177
  • Capsule

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