Irreversibility and rate dependence in sheared adhesive suspensions

Ge, Zhouyang; Martone, Raffaella; Brandt, Luca; Minale, Mario

doi:10.1103/physrevfluids.6.l101301

Cited by 3 publications

(1 citation statement)

References 31 publications

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“…Only this single angular frequency was investigated as in the first oscillation cycles a Newtonian suspension is rateindependent. 21,45 To avoid spurious harmonics coming from a not perfectly sinusoidal strain input or from instrumental artefacts or limitations, that can be especially present in the first cycle where the strain is instantly imposed to the system, we checked, with the Newtonian PIB, how accurately the strain signal is imposed and how the stress output is recorded under our test conditions. The stress output is expected to be a perfect sinusoid, in view of the Newtonianess of the fluid.…”

Section: Methodsmentioning

confidence: 99%

Microstructural changes of concentrated Newtonian suspensions in the first oscillation cycles probed with linear and non-linear rheology

2022

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Section: Methodsmentioning

confidence: 99%

Microstructural changes of concentrated Newtonian suspensions in the first oscillation cycles probed with linear and non-linear rheology

2022

Self Cite

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Shear thinning of non-Brownian suspensions and its variation at different ambient conditions

Lin

Wang

et al. 2023

Physics of Fluids

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Immiscible contaminants are commonly involved in naturally occurring suspensions. he resulting variations of their flow behavior has rarely been evaluated. Here, we investigate the variation of the viscosity of the oil-based two-phase suspension over a period of two years, which is exposed to the ambient air at the production stage. We find that the air's absolute humidity, which strongly varies with the seasons, causes exchanges of water droplets with the suspension, substantially altering its shear-thinning behavior. Only in winter, when the humidity is low, is the latter close to that of ideal two-phase suspensions. Our measurements suggest that, when the surface roughness of the suspended solid particles is sufficiently low, immersed droplets remain in a free state, effectively increasing repulsion between particles, weakening shear thinning. In contrast, when the roughness is sufficiently high, immersed droplets become trapped on the particle surfaces, inducing an attractive particle interaction via water bridging, enhancing shear thinning.

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Rheology of periodically sheared suspensions undergoing reversible-irreversible transition

Elfring

2022

Phys. Rev. E

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Irreversibility and rate dependence in sheared adhesive suspensions

Cited by 3 publications

References 31 publications

Microstructural changes of concentrated Newtonian suspensions in the first oscillation cycles probed with linear and non-linear rheology

Microstructural changes of concentrated Newtonian suspensions in the first oscillation cycles probed with linear and non-linear rheology

Shear thinning of non-Brownian suspensions and its variation at different ambient conditions

Rheology of periodically sheared suspensions undergoing reversible-irreversible transition

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