Issue 12, 2014

Linear viscoelasticity of soft glassy materials

Abstract

Owing to lack of time translational invariance, aging soft glassy materials do not obey fundamental principles of linear viscoelasticity. We show that by transforming the linear viscoelastic framework from a real time domain into an effective time domain, wherein the material clock is readjusted to account for evolution of relaxation time, the soft glassy materials obey effective time translational invariance. Consequently, we demonstrate successful validation of principles of linear viscoelasticity (the Boltzmann superposition principle and a convolution relation for creep compliance and stress relaxation modulus) for different types of soft glassy materials in the effective time domain.

Graphical abstract: Linear viscoelasticity of soft glassy materials

Supplementary files

Article information

Article type
Communication
Submitted
27 Nov 2013
Accepted
17 Jan 2014
First published
17 Jan 2014

Soft Matter, 2014,10, 1891-1894

Linear viscoelasticity of soft glassy materials

M. Kaushal and Y. M. Joshi, Soft Matter, 2014, 10, 1891 DOI: 10.1039/C3SM52978A

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