Modeling dependence of creep recovery behavior on relaxation time distribution of ageing colloidal suspensions

Details Modeling dependence of creep recovery behavior on relaxation time distribution of ageing colloidal suspensions Modeling dependence of creep recovery behavior on relaxation time distribution of ageing colloidal suspensions

2009-02-06

arxiv.org/abs/0902.1053v1

Physics

Condensed Matter

Soft Condensed Matter

14 Pages, 2 figures. To appear in Industrial & Engineering Chemistry Research

Scientific paper

A scaling model is developed to correlate relaxation time distribution of soft glassy materials to ultimate recovery. We propose that in the limit of creep-recovery time smaller than age, time translational invariance can be applied to ageing soft materials. In such limit, multimode linear viscoelastic model with Spriggs relaxation spectrum predicts enhancement in the ultimate recovery with broadening of the relaxation time distribution. We analyze these results in the context of creep-recovery behavior of aqueous suspension of laponite with varying concentration of salt.

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