Raman spectroscopy and x-ray scattering for assessing the interface in natural fibre composites
S. Eichhorn, University of Manchester, UK
Abstract:
Raman spectroscopy and x-ray diffraction are applied in the study of interfaces in cellulose fibre-based composites. Detailed theory is given for the origins of Raman scattering by polymer molecules, as well as the changes in spectra as a consequence of mechanical deformation of fibres. The use of a model composite geometry of a cellulose fibre surrounded by a droplet of resin is introduced, showing how this can be used to obtain point-to-point information on the fibre–matrix interface. A similar treatment of the crystal deformation observed in deformed fibres using x-ray diffraction is ...
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