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8 papers · 1 filter
Textural properties of dense granular pastes produced by kneading
Mathilde Auxois, Marine Minière, Chloé Bertrand-Drira +4
The efficiency of supported catalysts depends on the porous microstructure of their solid support, which regulates mass transfer, exposure to the active phase, and mechanical stren…
Shear-induced reinforcement in boehmite gels: a rheo-X-ray-scattering study
Iana Sudreau, Marion Servel, Eric Freyssingeas +9
Boehmite, an aluminum oxide hydroxide -AlO(OH), is broadly used in the form of particulate dispersions in industrial applications, e.g., for the fabrication of ceramics and cata…
Residual stresses and shear-induced overaging in boehmite gels
Iana Sudreau, Mathilde Auxois, Marion Servel +3
Colloidal gels respond like soft solids at rest, whereas they flow like liquids under external shear. Starting from a fluidized state under an applied shear rate , abrup…
Shear-induced memory effects in boehmite gels
Iana Sudreau, Sébastien Manneville, Marion Servel +1
Colloidal gels are formed by the aggregation of Brownian particles into clusters that are, in turn, part of a space-spanning percolated network. In practice, the microstructure of…
Coarse-grained Models of Aqueous Solutions of Polyelectrolytes: Significance of Explicit Charges
Pauline Bacle, Marie Jardat, Virginie Marry +3
The structure of polyelectrolytes is highly sensitive to small changes in the interactions between its monomers. In particular, interactions mediated by counterions play a signific…
Hydrodynamic interactions between solutes in multiparticle collision dynamics
Vincent Dahirel, Xudong Zhao, Baptiste Couet +2
Multiparticle collision dynamics (MPCD) enables to simulate fluid dynamics including both hydrodynamics and thermal fluctuations. Its main use concerns complex fluids, where the so…