Paper Title:
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.

  Info
Periodical
Defect and Diffusion Forum (Volumes 258-260)
Edited by
Andreas Öchsner and José Grácio
Pages
447-452
DOI
10.4028/www.scientific.net/DDF.258-260.447
Citation
K. Derrien, P. Gilormini, "Interaction between Stress and Diffusion in Polymers", Defect and Diffusion Forum, Vols. 258-260, pp. 447-452, 2006
Online since
October 2006
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Price
$32.00
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