Long-Term Moisture Absorption in Graphite/Epoxy Angle-Ply Laminates
作者： Mårten Blikstad , Peter O.W. Sjöblom , Thomas R. Johannesson
DOI: 10.1177/002199838401800103
关键词: Absorption of water 、 Relative humidity 、 Saturation (chemistry) 、 Materials science 、 Composite material 、 Diffusion 、 Residual stress 、 Epoxy 、 Humidity 、 Plateau (mathematics) 、 Mechanical engineering 、 Materials Chemistry 、 Mechanics of Materials 、 Ceramics and Composites
摘要: Angle-ply laminates of graphite/epoxy Fiberite T300/1034, Ciba-Geigy T300/920 and T300/914 were exposed to moist air different relative humidities for 400 days. Laminates T300/1034 reach a first plateau after about 100 days se cond saturation The levels are functions the humidity also residual stresses in laminate. Compressive retard diffusion lower levels. show more rapid moisture absorption than but no clearly detectable plateau. shoulder content vs. square root time curve is over-estimated by one-dimensional solution Fick's equation diffusion. A three-dimensional given shown predict better specimens small width thickness ratio.
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