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Non-structural Aging in Adhesive Colloidal Suspensions

Offered By: Erwin Schrödinger International Institute for Mathematics and Physics (ESI) via YouTube

Tags

Rheology Courses Confocal Microscopy Courses

Course Description

Overview

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Explore the phenomenon of non-structural aging in adhesive colloidal suspensions through this 32-minute talk by Anael Lemaitre at the Erwin Schrödinger International Institute for Mathematics and Physics. Delve into the time-dependent rheological properties of moderately dense colloidal suspensions, focusing on the non-saturating logarithmic growth of shear modulus and yield stress at rest. Discover how recent research challenges the traditional view of structural aging in transparent colloidal systems, highlighting the crucial role of van der Waals attraction and adhesive forces in opaque and ionic suspensions. Learn about experimental studies combining rheometry, confocal microscopy, and particle-scale mechanical tests that demonstrate macroscopic aging driven by time-dependent processes at the contact scale. Understand the importance of flexural contact response in determining macroscopic mechanical properties and the constitutive relation between time-dependent shear modulus and yield stress in these systems.

Syllabus

Anael Lemaitre - Non-structural aging in adhesive colloidal suspensions


Taught by

Erwin Schrödinger International Institute for Mathematics and Physics (ESI)

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