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Characterization Of Epoxy-Graphite Composites By Diffuse Reflectance FTIR

Diffuse reflectance Fourier transform infrared spectroscopy has been used to obtain IR spectra of epoxy-graphite prepregs and cured panels. The spectra are influenced by fibre orientation and front-surface reflection effects which limit the usefulness of the method for quantitative analysis. However, for qualitative work, excellent spectra can be obtained with practically no sample preparation.