Hard sphere colloidal dispersions: Mechanical relaxation pertaining to thermodynamic forces

J. Mellema, C.G. de Kruif, C. Blom, A. Vrij

Research output: Contribution to journalArticleAcademic

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Abstract

The complex viscosity of sterically stabilized (hard) silica spheres in cyclohexane has been measured between 80 Hz and 170 kHz with torsion pendulums and a nickel tube resonator. The observed relaxation behaviour can be attributed to the interplay of hydrodynamic and thermodynamic forces. The validity of the Cox-Merz rule is checked.
Original languageEnglish
Pages (from-to)40-44
JournalRheologica acta
Volume26
Issue number1
DOIs
Publication statusPublished - 1987

Keywords

  • linear viscoelasticity
  • complex viscosity
  • IR-85728
  • Cox-Merz rule
  • Hard sphere
  • thermodynamic force
  • METIS-129181

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