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Measuring diffusion coefficients by hygroelasticity
Author(s) -
Marom G.,
Broutman L. J.
Publication year - 1981
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.1981.070260506
Subject(s) - thermal diffusivity , diffusion , thermodynamics , materials science , polymer , mass diffusivity , statistical physics , mathematics , composite material , physics
A new method for obtaining diffusion coefficients of polymers and composites by measuring relative length changes is proposed. The method is based on interrelating diffusivity and hygroelasticity, and it is applicable to materials whose dynamic and equilibrium stage coefficients of hygroelasticity are equal.