Microstructures and mechanical properties of dense particle gels: Microstructural characterisation

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Mechanics and Microstructures of Concentrated Particle Gels

It is often assumed that the viscoelastic properties of dense colloids are determined by the colloid volume fraction, the interaction potential, as well as the particle size distribution and shape. The dependence of the viscoelastic behavior of particle suspensions and gels on these parameters has been widely studied, and is well understood in many cases. In contrast, our knowledge on the influ...

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In a colloidal suspension with attractive interaction, particles form aggregates that settle to the bottom of the container. As the concentration of particles is increased, the overlapping of the aggregates (flocs) produces a continuous network throughout the suspension before settling occurs and a colloidal gel is formed. Colloidal gels may be divided into hard gels and soft gels. 1 Hard gels ...

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ژورنال

عنوان ژورنال: Journal of the European Ceramic Society

سال: 2008

ISSN: 0955-2219

DOI: 10.1016/j.jeurceramsoc.2007.12.007