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Issue 40, 2020
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Interparticle attraction controls flow heterogeneity in calcite gels

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Abstract

We couple rheometry and ultrasonic velocimetry to study experimentally the flow behavior of gels of colloidal calcite particles dispersed in water, while tuning the strength of the interparticle attraction through physico-chemistry. We unveil, for the first time in a colloidal gel, a direct connection between attractive interactions and the occurrence of shear bands, as well as stress fluctuations.

Graphical abstract: Interparticle attraction controls flow heterogeneity in calcite gels

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Article information


Submitted
11 Jun 2020
Accepted
31 Aug 2020
First published
04 Sep 2020

This article is Open Access

Soft Matter, 2020,16, 9217-9229
Article type
Paper

Interparticle attraction controls flow heterogeneity in calcite gels

T. Liberto, M. Le Merrer, S. Manneville and C. Barentin, Soft Matter, 2020, 16, 9217
DOI: 10.1039/D0SM01079K

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