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Examines interfacial degradation in composite materials, suggesting crucial water effects.
The interfacial degradation in a model composite of an aramid fibre (Kevlar 49) and unsaturated polyester (UP) followed by absorption and desorption of hot water at 90 °C was monitored by measuring the variations in residual stress in the embedded fibre by means of the micro-Raman technique. The Fourier transform infra-red (FTIR) microspectroscopic analyses were also conducted to study the structure and the quantity of absorbed water causing interfacial degradation.
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KAWAGOE et al. (1999) studied this question.
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