Shear thickening as a consequence of an acoustic resonance in sheared colloidal crystals

J. Kaldasch; J. Laven; H.N. Stein

doi:10.1122/1.550891

Shear thickening as a consequence of an acoustic resonance in sheared colloidal crystals

J. Kaldasch
, J. Laven
, H.N. Stein

Chemical Engineering and Chemistry

Research output: Contribution to journal › Article › Academic › peer-review

2 Citations (Scopus)

237 Downloads (Pure)

Abstract

A model is presented that predicts the critical shear rate of shear thickening of soft sphere colloidal suspensions. It is based on the idea that shear in a colloidal crystal leads to a periodic variation of the elastic modulus with time. At a specific shear rate an acoustic resonance occurs which leads to an increase of the viscosity. Good agreement with experimental results could be obtained by fitting the single parameter of the model.

Original language	English
Pages (from-to)	1285-1301
Journal	Journal of Rheology
Volume	42
Issue number	6
DOIs	https://doi.org/10.1122/1.550891
Publication status	Published - 1998

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title = "Shear thickening as a consequence of an acoustic resonance in sheared colloidal crystals",

abstract = "A model is presented that predicts the critical shear rate of shear thickening of soft sphere colloidal suspensions. It is based on the idea that shear in a colloidal crystal leads to a periodic variation of the elastic modulus with time. At a specific shear rate an acoustic resonance occurs which leads to an increase of the viscosity. Good agreement with experimental results could be obtained by fitting the single parameter of the model.",

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N2 - A model is presented that predicts the critical shear rate of shear thickening of soft sphere colloidal suspensions. It is based on the idea that shear in a colloidal crystal leads to a periodic variation of the elastic modulus with time. At a specific shear rate an acoustic resonance occurs which leads to an increase of the viscosity. Good agreement with experimental results could be obtained by fitting the single parameter of the model.

AB - A model is presented that predicts the critical shear rate of shear thickening of soft sphere colloidal suspensions. It is based on the idea that shear in a colloidal crystal leads to a periodic variation of the elastic modulus with time. At a specific shear rate an acoustic resonance occurs which leads to an increase of the viscosity. Good agreement with experimental results could be obtained by fitting the single parameter of the model.

U2 - 10.1122/1.550891

DO - 10.1122/1.550891

M3 - Article

SN - 0148-6055

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SP - 1285

EP - 1301

JO - Journal of Rheology

JF - Journal of Rheology

IS - 6

ER -

Shear thickening as a consequence of an acoustic resonance in sheared colloidal crystals

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