Interaction between Stress and Diffusion in Polymers

Katell Derrien; Pierre Gilormini

doi:10.4028/www.scientific.net/DDF.258-260.447

Paper Titles

The Influence of Increased Cr Content and Austenite Grain Size on the Kinetics of Phase Transformations when Cooling Hypo-Eutectoid Steel
p.421

Isothermes of Grain Boundary Tension and Grain Boundary Adsorption in Cu-Sn System
p.427

A Sulfur Diffusion Investigation in Metal and Oxide Phases
p.433

Effect of Structure on Water Diffusion in Hydrophilic Polymers
p.442

Interaction between Stress and Diffusion in Polymers
p.447

Two-Phase Hygrothermal Diffusion in an Epoxy Adhesive
p.453

Experimental Investigation of the Effect of the Ambient Gas on Evaporating Sessile Drops
p.461

On the Dynamics of Wetting of Water-Methanol Volatile Sessile Drops on Smooth Substrates
p.469

Diffusion and Segregation in Bulk Nanomaterials and Thin Layers
p.475

HomeDefect and Diffusion ForumDefect and Diffusion Forum Vols. 258-260Interaction between Stress and Diffusion in...

Interaction between Stress and Diffusion in Polymers

Abstract:

When moisture uptake in a polymer is associated with swelling, it induces stresses which interact with the entire diffusion process. This coupling is addressed in this paper, which extends immediately to the diffusion of other fluids, like solvents. First, the generalized chemical potential is used to analyze the effect of stresses on the moisture capacity of polymers, and a relation is derived as a function of material parameters. Then, the interactions between stress and diffusion before saturation is reached, are explored. Various effects are predicted on the classical sorption test, such as an evolution of the boundary condition with time, and a sorptiondesorption hysteresis.

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Periodical:

Defect and Diffusion Forum (Volumes 258-260)

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447-452

DOI:

https://doi.org/10.4028/www.scientific.net/DDF.258-260.447

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Online since:

October 2006

Authors:

Katell Derrien, Pierre Gilormini

Keywords:

Chemical Potential, Desorption, Diffusion, Moisture, Polymer, Sorption, Stress

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