A model for nonlinear diffusion in polymers
In certain polymer-penetrant sytems, the effects of Fickian diffusion are augmented by nonlinear viscoelastic behavior. Consequently, such systems often exhibit concentration fronts unlike those seen in classical Fickian systems. These fronts not only are sharper than in standard systems, but also t...
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https://thesis.library.caltech.edu/3401/1/Edwards_da_1994.pdfEdwards, David A. (1994) A model for nonlinear diffusion in polymers. Dissertation (Ph.D.), California Institute of Technology. doi:10.7907/45KS-DN62. https://resolver.caltech.edu/CaltechETD:etd-09092005-155000 <https://resolver.caltech.edu/CaltechETD:etd-09092005-155000>