Linear Viscoelasticity of Colloidal Hard Sphere Suspensions near the Glass Transition

by: TG Mason, DA Weitz

Physical Review Letters, Vol. 75, No. 14. (2 October 1995), 2770.

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Abstract

The frequency-dependent viscoelastic shear modulus of concentrated suspensions of colloidal hard spheres is shown to be strongly modified as the volume fraction approaches the glass transition. The elastic or storage component; G ′ ; becomes larger than the viscous or loss component; G ′′ . The frequency dependence of G ′ develops a plateau while that of G ′′ develops a minimum. We propose a physical model to account for these data; using a description of the glasslike behavior based on mode-coupling theory; and a description of the high-frequency behavior based on hydrodynamic flow calculations.

@article{citeulike:1987776, abstract = {The frequency-dependent viscoelastic shear modulus of concentrated suspensions of colloidal hard spheres is shown to be strongly modified as the volume fraction approaches the glass transition. The elastic or storage component; G ′ ; becomes larger than the viscous or loss component; G ′′ . The frequency dependence of G ′ develops a plateau while that of G ′′ develops a minimum. We propose a physical model to account for these data; using a description of the glasslike behavior based on mode-coupling theory; and a description of the high-frequency behavior based on hydrodynamic flow calculations.}, author = {Mason, T. G. and Weitz, D. A. }, citeulike-article-id = {1987776}, doi = {10.1103/PhysRevLett.75.2770}, journal = {Physical Review Letters}, keywords = {elasticity, glass, mason, weitz}, month = {October}, number = {14}, pages = {2770+}, posted-at = {2008-04-17 22:01:44}, priority = {2}, publisher = {American Physical Society}, title = {Linear Viscoelasticity of Colloidal Hard Sphere Suspensions near the Glass Transition}, url = {http://dx.doi.org/10.1103/PhysRevLett.75.2770}, volume = {75}, year = {1995} }

RIS record

TY - JOUR ID - citeulike:1987776 L3 - citeulike-article-id:1987776 TI - Linear Viscoelasticity of Colloidal Hard Sphere Suspensions near the Glass Transition JF - Physical Review Letters VL - 75 IS - 14 SP - 2770 PB - American Physical Society N2 - The frequency-dependent viscoelastic shear modulus of concentrated suspensions of colloidal hard spheres is shown to be strongly modified as the volume fraction approaches the glass transition. The elastic or storage component; G ′ ; becomes larger than the viscous or loss component; G ′′ . The frequency dependence of G ′ develops a plateau while that of G ′′ develops a minimum. We propose a physical model to account for these data; using a description of the glasslike behavior based on mode-coupling theory; and a description of the high-frequency behavior based on hydrodynamic flow calculations. KW - elasticity KW - glass KW - mason KW - weitz AU - Mason, TG AU - Weitz, DA PY - 1995/10/02/ UR - http://dx.doi.org/10.1103/PhysRevLett.75.2770 ER -

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