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

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

Research output: Contribution to journalArticleAcademicpeer-review

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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

Cite this

de Bruin, G.J. ; de Bruijn, R.A. ; Mellema, J. / The linear-viscoelastic behaviour of a dispersion of transversely rigid spherical capsules. In: Rheologica acta. 1985 ; Vol. 24, No. 2. pp. 159-174.
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The linear-viscoelastic behaviour of a dispersion of transversely rigid spherical capsules. / de Bruin, G.J.; de Bruijn, R.A.; Mellema, J.

In: Rheologica acta, Vol. 24, No. 2, 1985, p. 159-174.

Research output: Contribution to journalArticleAcademicpeer-review

TY - JOUR

T1 - The linear-viscoelastic behaviour of a dispersion of transversely rigid spherical capsules

AU - de Bruin, G.J.

AU - de Bruijn, R.A.

AU - Mellema, J.

PY - 1985

Y1 - 1985

N2 - 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.

AB - 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.

KW - complex viscosity

KW - transversely rigid shell

KW - linear viscoelasticity

KW - IR-85724

KW - Dispersion

KW - METIS-129177

KW - Capsule

U2 - 10.1007/BF01333244

DO - 10.1007/BF01333244

M3 - Article

VL - 24

SP - 159

EP - 174

JO - Rheologica acta

JF - Rheologica acta

SN - 0035-4511

IS - 2

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