Article Dans Une Revue Composites Science and Technology Année : 2008

Statistical fracture of E-glass fibres using a bundle tensile test and acoustic emission monitoring

Résumé

Mechanical strength studies have been carried out on fibre bundles used in composite manufacturing. The variability in mechanical properties of glass fibres has been studied using bundles of about 2000 filaments. The fibre strength distributions were analysed using the survival probability-applied strain (S-e) curve, in relation with various experimental conditions. We also examine the effect of lubricant's viscosity on the fracture behaviour of E-glass fibre bundles. Acoustic emission (AE) was monitored during the bundle tensile tests in order to verify that individual filament failures are statistically independent. On tensile tests with lubricated bundles of E-glass fibres, it is shown that each individual fibre break can be detected using AE. Hence, AE monitoring of a lubricated bundle of E-glass fibres provides a convenient and relatively quick method to obtain the Weibull parameters of strength distribution.

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Dates et versions

hal-00434030 , version 1 (20-11-2009)

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  • HAL Id : hal-00434030 , version 1

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Mohamed R'Mili, Mariette Moevus, Nathalie Godin. Statistical fracture of E-glass fibres using a bundle tensile test and acoustic emission monitoring. Composites Science and Technology, 2008, pp.1800-1808. ⟨hal-00434030⟩
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