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Scientific and technical publications
Effet of sea water and humidity on the tensile and compressive properties of carbon-polyamide 6 laminates
Thermoplastic matrix carbon fibre composites offer considerable potential for underwater applications. Various material options exist but there are questions concerning the tension/compression behaviour and water sensitivity of the less expensive polymers (e.g. polyamides) for these applications. The aim of the current work is to model water diffusion and its effect on the mechanical properties of thick carbon fibre reinforced polyamide-6 composite cylinders immersed in sea water for deep sea applications. To provide the data for such a model, specimens have been aged under different humidity conditions and tested in tension and compression. As water enters the composite, a significant reduction in the laminate properties is observed. An empirical relationship that links matrix-domiated properties to water content is presented and can be used for modelling purposes.
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Effet of sea water and humidity on the tensile and compressive properties of carbon-polyamide 6 laminates
