Srinivasan R. Raghavan

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Colloidal dispersions of Laponite platelets are known to age slowly from viscous sols to colloidal glasses. We follow this aging process by monitoring the diffusion of probe particles embedded in the sample via dynamic light scattering. Our results show that the time-dependent diffusion of the probe particles scales with their size at early times and for(More)
Nanocomposites , with superior material properties, have promising potential applications in almost every field. The present work aims at obtaining the nanocomposites of aluminum nanoparticles that are uniform ly dispersed in a polymer matrix and carbon nanotubes (CNTs) that are consistently cross-linked and with the desired orientation in a polymer matrix(More)
Kinematic modeling has been shown to be important for the understanding and control of co-rotating twin screw extruders. The residence time distribution (RTD) is often used to characterize the steady-state behavior of an extrusion process. Due to the complex rheological behavior of polymer flow in the extruder, few have felt that the RTD would be(More)
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