Arkadii Arinstein Confinement mechanism of electrospun polymer nanofiber reinforcement Journal of Polymer Science Part B: Polymer Physics 51
The sharp increase in elastic modulus of electrospun polymer nanofibers with decrease in their diameters is a well-known and widely accepted phenomenon. Nevertheless, up to now, the physical reasons resulting in the above size-dependent behavior are unclear. The proposed explanation is based on the confinement concept. A manifesting mechanism of the confinement effect that provides the size-dependent elastic modulus of electrospun polymer nanofibers is discussed. The obtained theoretical results are in good agreement with the experimental data.
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