Crossref journal-article
AIP Publishing
The Journal of Chemical Physics (317)
Abstract

The viscoelastic behavior of concentrated dispersions of adhesive hard spheres was investigated. By changing the temperature, the interaction potential of the particles was varied from a hard sphere repulsion to a strong attraction. Using torsion resonators and a nickel tube resonator the complex viscosity was measured in the frequency range 70–250 000 Hz. The results were described on the basis of a simple mechanical model in terms of a series of relaxation times and a single relaxation strength. The temperature dependence of the longest relaxation time and the relaxation strength indicated that the system undergoes a kinetic transition with decreasing temperature. The transition could be identified with the percolation threshold. Above the transition temperature where the dispersion is in a stable, fluid state, linear viscoelastic behavior is observed. Below the percolation threshold but still in the one-phase region, nonlinear viscoelasticity was measured, even at the smallest strains.

Bibliography

Woutersen, A. T. J. M., Mellema, J., Blom, C., & de Kruif, C. G. (1994). Linear viscoelasticity in dispersions of adhesive hard spheres. The Journal of Chemical Physics, 101(1), 542–553.

Authors 4
  1. A. T. J. M. Woutersen (first)
  2. J. Mellema (additional)
  3. C. Blom (additional)
  4. C. G. de Kruif (additional)
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Dates
Type When
Created 23 years, 1 month ago (July 26, 2002, 8:12 a.m.)
Deposited 1 year, 7 months ago (Feb. 6, 2024, 7:41 a.m.)
Indexed 1 year, 7 months ago (Feb. 6, 2024, 8:10 a.m.)
Issued 31 years, 2 months ago (July 1, 1994)
Published 31 years, 2 months ago (July 1, 1994)
Published Print 31 years, 2 months ago (July 1, 1994)
Funders 0

None

@article{Woutersen_1994, title={Linear viscoelasticity in dispersions of adhesive hard spheres}, volume={101}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.468164}, DOI={10.1063/1.468164}, number={1}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Woutersen, A. T. J. M. and Mellema, J. and Blom, C. and de Kruif, C. G.}, year={1994}, month=jul, pages={542–553} }