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Communication Dans Un Congrès Année : 2012

Study of the diffusion behavior of natural fibers

Résumé

Owing to their good mechanical properties, natural fibers could replace glass fibers for reinforcing material composites. The main disadvantage of the natural fibers is their hydrophilic nature. Therefore, the ageing of composite materials made with such fibers can be critical since the diffusion of water molecules could lead to a premature degradation. The aim of this work is to understand the diffusion phenomenon in vegetal fibers. Indeed, the diffusive behavior of four kind of natural fibers: hemp, jute, flax and sisal were investigated. In practice, the samples of fibers were submitted to hygro-thermal ageing either in total water immersion at room temperature or in an environmental chamber at 80 % relative humidity and 23°C. Periodic gravimetric measurements were achieved on the specimens in order to follow their absorption kinetics. Various predictive models were used to simulate experimental curves.
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Dates et versions

hal-01008977 , version 1 (15-03-2019)

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  • HAL Id : hal-01008977 , version 1

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Amandine Célino, Sylvain Fréour, Frédéric Jacquemin, Pascal Casari. Study of the diffusion behavior of natural fibers. 15th European Conference on Composite Materials, Jun 2012, Venice, Italy. ⟨hal-01008977⟩
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