Uncovering Instabilities in the Spatiotemporal Dynamics of a Shear-Thickening Cornstarch Suspension

Uncovering Instabilities in the Spatiotemporal Dynamics of a Shear-Thickening Cornstarch Suspension

Recent theories predict that discontinuous shear thickening (DST) involves an instability, the nature of which remains elusive. Here, we explore unsteady dynamics in a dense cornstarch suspension by coupling long rheological measurements under constant shear stresses to ultrasound imaging. We demons...

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Bibliographic Details
Main Authors: Brice Saint-Michel, Thomas Gibaud, Sébastien Manneville
Format: Article
Language:English
Published: American Physical Society 2018-07-01
Series:Physical Review X
Online Access:http://doi.org/10.1103/PhysRevX.8.031006

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