Recent advances of hydrogel network models for studies on mechanical behaviors

J Lei, Z Li, S Xu, Z Liu - Acta Mechanica Sinica, 2021 - Springer
Current constitutive theories face challenges when predicting the extremely large
deformation and fracture of hydrogels, which calls for the demands to reveal the …

Unconventional colloidal aggregation in chiral bacterial baths

D Grober, I Palaia, MC Uçar, E Hannezo, A Šarić… - Nature Physics, 2023 - nature.com
When in equilibrium, thermal forces agitate molecules, which then diffuse, collide and bind
to form materials. However, the space of accessible structures in which micron-scale …

Structure and rheology of colloidal particle gels: Insight from computer simulation

E Dickinson - Advances in colloid and interface science, 2013 - Elsevier
A particle gel is a network of aggregated colloidal particles with soft solid-like mechanical
properties. Its structural and rheological properties, and the kinetics of its formation, are …

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 …

[HTML][HTML] Stress localization, stiffening, and yielding in a model colloidal gel

J Colombo, E Del Gado - Journal of rheology, 2014 - pubs.aip.org
We use numerical simulations and an athermal quasistatic shear protocol to investigate the
yielding of a model colloidal gel. Under increasing deformation, the elastic regime is …

Elastically driven intermittent microscopic dynamics in soft solids

M Bouzid, J Colombo, LV Barbosa… - Nature communications, 2017 - nature.com
Soft solids with tunable mechanical response are at the core of new material technologies,
but a crucial limit for applications is their progressive aging over time, which dramatically …

A dynamic graphene oxide network enables spray printing of colloidal gels for high‐performance micro‐supercapacitors

Z **ong, X Yun, L Qiu, Y Sun, B Tang, Z He… - Advanced …, 2019 - Wiley Online Library
Properly controlling the rheological properties of nanoparticle inks is crucial to their
printability. Here, it is reported that colloidal gels containing a dynamic network of graphene …

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 …

Network topology in soft gels: Hardening and softening materials

M Bouzid, E Del Gado - Langmuir, 2018 - ACS Publications
The structural complexity of soft gels is at the origin of a versatile mechanical response that
allows for large deformation, controlled elastic recovery, and toughness in the same …

Microstructural rearrangements and their rheological implications in a model thixotropic elastoviscoplastic fluid

S Jamali, GH McKinley, RC Armstrong - Physical review letters, 2017 - APS
We identify the sequence of microstructural changes that characterize the evolution of an
attractive particulate gel under flow and discuss their implications on macroscopic rheology …