JFAS_Vol 04 N 02

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Browsing JFAS_Vol 04 N 02 by Author "Mehamha, A."

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    Rheology And Scaling Behavior Of Swelling Clay Dispersions
    (University of Eloued جامعة الوادي, 2012-07-01) Chaoui, S.; Mehamha, A.; Belkham, N. H.; Benachour, D.
    The microstructure and scaling of rheological properties of colloidal gels of bentonite investigated as a function of volume fraction and strength of interparticle interaction over a range of volume fractions, elastic modulus is well described with a scaling law functions of volume fractions, while the role of interparticle attractions can be accounted for by expressing these rheological properties as (/g-1)n, where g captures the strength of particle interaction and n the microstructure. The scaling variable (p/pc-1), suggested in percolation theory to describe rheological behavior near percolation transition, acts to collapse G’ data suggesting that along lines of constant (/g-1) these gels are rheologically identical.