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Characterization and modelling of the viscous behaviour of adhesives using the modified Arcan device

Claudiu Badulescu 1 Celia Germain Jean-Yves Cognard 1 Nicolas Carrere 1
1 MMA
LBMS - Laboratoire brestois de mécanique et des systèmes
Abstract : The non-linear behaviour of an epoxy adhesive has been studied thanks to the use of a modified Arcan test device. Multilevel creep tests have been performed in order to characterize the time-dependent behaviour. A visco-elastic model has been chosen to describe the behaviour of the adhesive. This model is based on the decomposition of the visco-elastic strain into elementary viscous mechanisms. The non-linear behaviour of the visco-elasticity is taken into account thanks to a non-linear function which depends on the stress. A specific identification procedure based on a single test has been proposed. Finally, the model has been validated using tests that have not been used for the identification. The model proposed in this paper enables the time-dependent non-linear behaviour of adhesives to be reproduced in a correct manner.
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https://hal.archives-ouvertes.fr/hal-01108263
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Submitted on : Thursday, January 22, 2015 - 2:18:04 PM
Last modification on : Monday, March 14, 2022 - 11:08:10 AM

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Claudiu Badulescu, Celia Germain, Jean-Yves Cognard, Nicolas Carrere. Characterization and modelling of the viscous behaviour of adhesives using the modified Arcan device . Journal of Adhesion Science and Technology, Taylor & Francis, 2015, 29 (5), pp.443-461. ⟨10.1080/01694243.2014.991483⟩. ⟨hal-01108263⟩

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