Abstract
THE atomic composition of the external surface of graphite fibres has recently been investigated by the application of high energy photoelectron Spectroscopy1. Because the structural characteristics of graphite/epoxy composites are usually evaluated by measuring the short beam shear strength (a measure of interlaminar shear), it is important to be able to correlate this with the bonding between the fibres and the matrix material. High energy photoelectron Spectroscopy involves measuring the binding energy of core electrons excited by low energy X-rays, and changes in the chemical environment in a region between 100 Å and 150 Å thick are reflected by a subsequent slight shift of the energy of the core electrons.
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CONNELL, G. Auger Electron Spectroscopy of Graphite Fibre Surfaces. Nature 230, 377–378 (1971). https://doi.org/10.1038/230377a0
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DOI: https://doi.org/10.1038/230377a0
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