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Issue 18, 2020
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Multi-component colloidal gels: interplay between structure and mechanical properties

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Abstract

We present a detailed numerical study of multi-component colloidal gels interacting sterically and obtained by arrested phase separation. Under deformation, we found that the interplay between the different intertwined networks is key. Increasing the number of components leads to softer solids that can accommodate progressively larger strains before yielding. The simulations highlight how this is the direct consequence of the purely repulsive interactions between the different components, which end up enhancing the linear response of the material. Our work provides new insight into mechanisms at play for controlling the material properties and opens a road to new design principles for soft composite solids.

Graphical abstract: Multi-component colloidal gels: interplay between structure and mechanical properties

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Article information


Submitted
07 Dec 2019
Accepted
27 Mar 2020
First published
30 Mar 2020

Soft Matter, 2020,16, 4414-4421
Article type
Paper

Multi-component colloidal gels: interplay between structure and mechanical properties

C. Ferreiro-Córdova, E. Del Gado, G. Foffi and M. Bouzid, Soft Matter, 2020, 16, 4414
DOI: 10.1039/C9SM02410G

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