The effect of applied stresses on the equilibrium moisture content in polymers

The effect of applied stresses on the equilibrium moisture content in polymers

The relation between saturation moisture content in a polymer and applied stresses is derived as a function of the coefficient of moisture expansion. The model is applied to the equilibrium water uptake of an isotropic polymer matrix composite. It is shown that a composite has a nonlinear sorption i...

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Veröffentlicht in:Scripta materialia 2007-02, Vol.56 (4), p.297-299
Hauptverfasser: Derrien, K., Gilormini, P.
Format: Artikel
Sprache:eng
Schlagworte:
Condensed Matter
Diffusion
Materials Science
Moisture
Physics
Polymer matrix composites
Polymers
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Beschreibung
Zusammenfassung:The relation between saturation moisture content in a polymer and applied stresses is derived as a function of the coefficient of moisture expansion. The model is applied to the equilibrium water uptake of an isotropic polymer matrix composite. It is shown that a composite has a nonlinear sorption isotherm even though the matrix has a linear one, because of the internal stresses induced by swelling.
ISSN:1359-6462
1872-8456
DOI:10.1016/j.scriptamat.2006.10.001