Effect of CNT modified matrix of epoxy CFRPs on hydrothermal behaviour of material. Evaluation of water uptake using electrical resistance measurements
作者： A. Kotrotsos , A. Vavouliotis , S. Tsantzalis , V. Kostopoulos
DOI: 10.1179/1743289814Y.0000000075
关键词: Distilled water 、 Absorption of water 、 Materials science 、 Composite material 、 Saturation (chemistry) 、 Epoxy 、 Electrical resistance and conductance 、 Electrical resistivity and conductivity 、 Dielectric 、 Glass transition
摘要: In the present work, reference and nano-modified unidirectional quasi-isotropic, epoxy matrix, carbon fibre reinforced polymers, were exposed to distilled water at hydrothermal environment. Water uptake was investigated as a function of CNT matrix wt-% content up saturation level. parallel variation glass transition temperature Tg also monitored using DMA tests. The absorption process modelled following Fick’s law, experimental results found be in very good agreement theoretical predictions saturation. During tests, defined time intervals, electrical conductivity materials studied correlation between established. Finally, all ones concluded stage broadband dielectric measurements frequency range 0·1 Hz 1 MHz.
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