Fractional viscoelastic models for power-law materials

A Bonfanti, JL Kaplan, G Charras, A Kabla - Soft Matter, 2020 - pubs.rsc.org
Soft materials often exhibit a distinctive power-law viscoelastic response arising from broad
distribution of time-scales present in their complex internal structure. A promising tool to …

The hidden hierarchical nature of soft particulate gels

M Bantawa, B Keshavarz, M Geri, M Bouzid, T Divoux… - Nature Physics, 2023 - nature.com
Soft particulate gels are composed of a small amount of particulate matter dispersed in a
continuous fluid phase. The solid components assemble to form a porous matrix, providing …

Synthetic, multi-dynamic hydrogels by uniting stress-stiffening and supramolecular polymers

L Rijns, MGTA Rutten, R Bellan, H Yuan… - Science …, 2024 - science.org
Nature uses discrete molecular building blocks to form polymers that assemble into
multicomponent, multi-dynamic networks, inside (cytoskeleton) and outside (extracellular …

Critical-like gelation dynamics in cellulose nanocrystal suspensions

L Morlet-Decarnin, T Divoux, S Manneville - ACS Macro Letters, 2023 - ACS Publications
We use time-resolved mechanical spectroscopy to offer a detailed picture of the gelation
dynamics of cellulose nanocrystal (CNC) suspensions following shear cessation in the …

Local mechanism governs global reinforcement of nanofiller-hydrogel composites

I Dellatolas, M Bantawa, B Damerau, M Guo, T Divoux… - ACS …, 2023 - ACS Publications
We reveal the mechanism for the strong reinforcement of attractive nanofiller-hydrogel
composites. Measuring the linear viscoelastic properties of hydrogels containing filler …

Stress–stress correlations reveal force chains in gels

HA Vinutha, FD Diaz Ruiz, X Mao… - The Journal of …, 2023 - pubs.aip.org
We investigate the spatial correlations of microscopic stresses in soft particulate gels using
2D and 3D numerical simulations. We use a recently developed theoretical framework …

Power law viscoelasticity of a fractal colloidal gel

S Aime, L Cipelletti, L Ramos - Journal of Rheology, 2018 - pubs.aip.org
Power law rheology is of widespread occurrence in complex materials that are characterized
by the presence of a very broad range of microstructural length and time scales. Although …

Competitive supramolecular associations mediate the viscoelasticity of binary hydrogels

E Vereroudakis, M Bantawa, RPM Lafleur… - ACS central …, 2020 - ACS Publications
Supramolecular polymers are known to form strong and resilient hydrogels which can take
up large amounts of water while exhibiting ease of processing and self-healing. They also …

Jamming and unusual charge density fluctuations of strange metals

SJ Thornton, DB Liarte, P Abbamonte… - Nature …, 2023 - nature.com
The strange metallic regime across a number of high-temperature superconducting
materials presents numerous challenges to the classic theory of Fermi liquid metals. Recent …

Influence of structure on the linear response rheology of colloidal gels

LC Johnson, RN Zia, E Moghimi, G Petekidis - Journal of Rheology, 2019 - pubs.aip.org
We study the linear response rheology, structure, and dynamics of colloidal gels formed by
arrested phase separation with a combination of experiments and dynamic simulation, with …