Anisothermal thermosetting resin cure monitored by optical fiber refractometer

Abstract : The cure monitoring of composite parts is an important key to optimize the industrial curing cycles. In this study, it is proposed to monitor the cure of a thermosetting resin by a Fresnel refractometer. The measurements are first compared to dielectric analyses and predictions of a thermo-kinetic model that uses parameters from the literature. Under isothermal conditions, the results show that the Fresnel power can be directly exploited to obtain qualitatively the degree of conversion. This is also demonstrated in anisothermal conditions by correcting the Fresnel signal from its temperature dependence. If the initial degree of conversion is known, its quantitative assessment is achieved using the Fresnel and temperature measurements. POLYM. ENG. SCI., 54:626-635, 2014. (c) 2013 Society of Plastics Engineers
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Polymer Engineering and Science, Wiley-Blackwell, 2014, 54 (3), p. 626-635. 〈10.1002/pen.23596〉
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https://hal.archives-ouvertes.fr/hal-01611613
Contributeur : Mines Albi Ecole Nationale Supérieure Des Mines d'Albi-Carmaux <>
Soumis le : vendredi 6 octobre 2017 - 10:58:50
Dernière modification le : vendredi 8 juin 2018 - 09:38:17

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Laurent Robert, Gilles Dusserre. Anisothermal thermosetting resin cure monitored by optical fiber refractometer. Polymer Engineering and Science, Wiley-Blackwell, 2014, 54 (3), p. 626-635. 〈10.1002/pen.23596〉. 〈hal-01611613〉

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