Connectivity and plasticity determine collagen network fracture

F Burla, S Dussi, C Martinez-Torres… - Proceedings of the …, 2020 - National Acad Sciences
Collagen forms the structural scaffold of connective tissues in all mammals. Tissues are
remarkably resistant against mechanical deformations because collagen molecules …

Toughness of network materials: Structural parameters controlling damage accumulation

RC Picu, S Jin - Journal of the Mechanics and Physics of Solids, 2023 - Elsevier
Many materials have a network of fibers as their main structural component and are referred
to as network materials. Their strength and toughness are important in both engineering and …

Weak boundary enabled tensile ductility in dealloyed porous Fe alloy

H Xie, JC Shao, L Zou, HJ Jin - Acta Materialia, 2023 - Elsevier
Dealloying has emerged as a new route to the synthesis of porous or nanoporous materials
for a variety of novel structural/functional applications. However, dealloyed (nano-) porous …

Finite-size study of the athermal quasistatic yielding transition in structural glasses

D Richard, C Rainone, E Lerner - The Journal of Chemical Physics, 2021 - pubs.aip.org
Upon external mechanical loading, amorphous solids, such as foams, colloids, or molecular
glasses, exhibit a yielding transition from an elastic response at small deformations to a …

Sharing the load: Stress redistribution governs fracture of polymer double networks

J Tauber, L Rovigatti, S Dussi, J Van Der Gucht - Macromolecules, 2021 - ACS Publications
The stress response of polymer double networks depends not only on the properties of the
constituent networks but also on the interactions arising between them. Here, we …

[HTML][HTML] Stretchy and disordered: Toward understanding fracture in soft network materials via mesoscopic computer simulations

J Tauber, J Van Der Gucht, S Dussi - The Journal of Chemical Physics, 2022 - pubs.aip.org
Soft network materials exist in numerous forms ranging from polymer networks, such as
elastomers, to fiber networks, such as collagen. In addition, in colloidal gels, an underlying …

Microscopic insights into the failure of elastic double networks

J Tauber, S Dussi, J Van Der Gucht - Physical Review Materials, 2020 - APS
The toughness of a polymer material can increase significantly if two networks are combined
into one material. This toughening effect is a consequence of a transition from a brittle to a …

Nonlinear effect of rigidity and correlated disorder on network fracture

ZD Ding, DW Lin - International Journal of Solids and Structures, 2024 - Elsevier
Mechanical rigidity and disorder are two important parameters that influence the failure
process of solid materials. We investigate the nonlinear mechanics under their coupled …

Structural features and nonlinear rheology of self-assembled networks of cross-linked semiflexible polymers

S Syed, FC MacKintosh, JL Shivers - The Journal of Physical …, 2022 - ACS Publications
Disordered networks of semiflexible filaments are common support structures in biology.
Familiar examples include fibrous matrices in blood clots, bacterial biofilms, and essential …

Cross-linker mobility governs fracture behavior of catch-bonded networks

J Ruiz-Franco, J Tauber, J van der Gucht - Physical Review Letters, 2023 - APS
While most chemical bonds weaken under the action of mechanical force (called slip bond
behavior), nature has developed bonds that do the opposite: their lifetime increases as force …