Environmental Effects on Interfacial Behavior in Graphite/Epoxy Single-Fiber and Multi-Fibers Composites
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Toray M40 graphite fiber / Epon 828 epoxy resin single fiber composites with both sized and unsized fibers were exposed to distilled water at 50°C and 100°C, 10% NaOH and HCl aqueous solutions at 50°C, and air at 100°C. Micro Raman spectroscopy was used to measure the strain and interfacial shear stress profiles as a function of environmental exposure. It was found that the degradation mechanism is primarily a mechanical failure of the fiber/matrix interface.
Schadler, L. S.,
Koczak, M. J.,
& Amer, M. S.
(1995). Environmental Effects on Interfacial Behavior in Graphite/Epoxy Single-Fiber and Multi-Fibers Composites. Polymer/Inorganic Interfaces II, 385, 155-166.