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September 20, 2025Journal of Rheology

Hyperaging and stress buildup in soft colloidal gels

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Authors

VKVivek KumarGMGareth H. McKinleyYJYogesh M. Joshi

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Overview

This work investigates shear stress buildup and elastic modulus evolution in soft glassy materials, suggesting hyperaging effects.

Key Points

  • The study reveals the time-dependent evolution of elastic modulus and static yield stress in soft colloidal gels.
  • After intense preshearing, both materials show a significant hyperaging effect, with shear stress behavior indicating complex dynamics.
  • Soft glassy materials exhibit nonmonotonic steady-state flow curves that highlight unique stress response patterns.
  • A time-dependent linear Maxwell model effectively predicts the observed trends in shear stress buildup linked to elastic modulus increase.

Cite This Study

Kumar et al. (2025) studied this question.

synapsesocial.com/papers/68d469c831b076d99fa66741https://doi.org/10.1122/8.0001025
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