Shear localisation in interfacial particle layers and its influence on Lissajous-plots

Fabian C. Birbaum (Corresponding Author), Sanna Haavisto, Antti Koponen, Erich J. Windhab, Peter Fischer

Research output: Contribution to journalArticleScientificpeer-review

6 Citations (Scopus)

Abstract

Interfacial rheological measurements often show in their nonlinear Lissajous-plots rhombus or saddle-like shapes indicating complex local deformation behaviour. A strong interacting silica particle and an almost not interacting clay particle were studied in respect to their interfacial rheological properties. Large amplitude oscillation shear measurements were performed with a bicone geometry and combined with optical measurements, from which particle tracks were calculated. A correlation was found between the appearance of shear localisation and Lissajous-plot shapes. Silica particles showed shear localisation at the bicone edge and rhombic plateaus in the Lissajous-plot, while the shear localisation for the clay particles was observed at the cup's wall as saddle-like shaped Lissajous-plots.
Original languageEnglish
Pages (from-to)267-278
JournalRheologica Acta
Volume55
Issue number4
DOIs
Publication statusPublished - 2016
MoE publication typeA1 Journal article-refereed

Fingerprint

plots
shear
Silicon Dioxide
saddles
Clay
Silica
clays
silicon dioxide
particle tracks
optical measurement
plateaus
Geometry
oscillations
geometry
clay

Keywords

  • nonlinear viscoelasticity
  • slipInterface
  • tracking
  • particle
  • LAOS

Cite this

Birbaum, Fabian C. ; Haavisto, Sanna ; Koponen, Antti ; Windhab, Erich J. ; Fischer, Peter. / Shear localisation in interfacial particle layers and its influence on Lissajous-plots. In: Rheologica Acta. 2016 ; Vol. 55, No. 4. pp. 267-278.
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Shear localisation in interfacial particle layers and its influence on Lissajous-plots. / Birbaum, Fabian C. (Corresponding Author); Haavisto, Sanna; Koponen, Antti; Windhab, Erich J.; Fischer, Peter.

In: Rheologica Acta, Vol. 55, No. 4, 2016, p. 267-278.

Research output: Contribution to journalArticleScientificpeer-review

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AU - Haavisto, Sanna

AU - Koponen, Antti

AU - Windhab, Erich J.

AU - Fischer, Peter

PY - 2016

Y1 - 2016

N2 - Interfacial rheological measurements often show in their nonlinear Lissajous-plots rhombus or saddle-like shapes indicating complex local deformation behaviour. A strong interacting silica particle and an almost not interacting clay particle were studied in respect to their interfacial rheological properties. Large amplitude oscillation shear measurements were performed with a bicone geometry and combined with optical measurements, from which particle tracks were calculated. A correlation was found between the appearance of shear localisation and Lissajous-plot shapes. Silica particles showed shear localisation at the bicone edge and rhombic plateaus in the Lissajous-plot, while the shear localisation for the clay particles was observed at the cup's wall as saddle-like shaped Lissajous-plots.

AB - Interfacial rheological measurements often show in their nonlinear Lissajous-plots rhombus or saddle-like shapes indicating complex local deformation behaviour. A strong interacting silica particle and an almost not interacting clay particle were studied in respect to their interfacial rheological properties. Large amplitude oscillation shear measurements were performed with a bicone geometry and combined with optical measurements, from which particle tracks were calculated. A correlation was found between the appearance of shear localisation and Lissajous-plot shapes. Silica particles showed shear localisation at the bicone edge and rhombic plateaus in the Lissajous-plot, while the shear localisation for the clay particles was observed at the cup's wall as saddle-like shaped Lissajous-plots.

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KW - slipInterface

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