fickiandiffusioninpolymers

由 GC Sarti 著作 — Modeling Non-Fickian Transport. • Lumped models. • Localized swelling (with & without differential swelling stresses). • Viscoelastic diffusive flux.

The transport of small molecules through polymeric materials is a very complex process that can be influenced by many factors, such as temperature, chemical ...

由 HL Frisch 著作 · 1965 · 被引用 41 次 — The isothermal, Fickian diffusion of penetrants into polymers (well above the glass transition of the mixture) have been studied, often nec-.

由 G Rehage 著作 · 1970 · 被引用 88 次 — The polymer changes from the glassy state into a state of internal thermodynamic equilibrium. Experimentally the continuous range between the pure glassy ...

由 RK Arya 著作 · 2021 · 被引用 12 次 — Non-Fickian diffusion processes are most commonly found in glassy polymers at temperatures below Tg. The polymer chains are not sufficiently mobile at ...

由 C Yang 著作 · 2020 · 被引用 77 次 — In this review, focusing on the gravimetric and capacitance method, we discuss contradictions and problems existing for water diffusion in polymers in detail ...

2018年7月30日 — Can someone explain Fickian and Nonfickian diffusion for polymer systems without involing complex equtions? Fickian and Non-Fickian ...

由 J Wang 著作 · 2023 · 被引用 5 次 — It can be classified into three regimes, namely, Fickian (case-I) diffusion in which the rate of penetrant diffusion governs, case-II diffusion ...

由 S Engelbrecht 著作 · 2022 · 被引用 2 次 — Assuming a Fickian diffusion mechanic the diffusion coefficients were extracted from both methods. It was found that the terahertz measurements ...