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Article Dans Une Revue Journal of Physics: Conference Series Année : 2023

Mechanical behaviour for aeronautical structures with embedded electric cables under low energy impact

Comportement mécanique pour les structures aéronautiques avec conducteurs électriques intégrés sous impact basse énergie.

Thibaut Vogel
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Jean-Christophe Walrick

Résumé

The work focuses on the mechanical strength of composite structures with embedded electrical functionalities submitted to low energy impact. This material is defined for aeronautical applications as multilayers of glass fibre composite with flat electrical cable layers embedded. The main question is about the damage involved by the low energy impact, and its influence on the electrical cables layer performances. The impact leads to failure with no external signs of damage and insulation degradation. The dynamic experimental campaigns are carried out on drop tower tests with hemispherical tool. localized damage mechanisms at conductor interfaces are observed and a finite element model is performed. A link between impact energies and loss of electrical performance of multifunctional samples is established.
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Dates et versions

hal-04306397 , version 1 (24-11-2023)

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Thibaut Vogel, Jean-Christophe Walrick, Pascal Casari. Mechanical behaviour for aeronautical structures with embedded electric cables under low energy impact. Journal of Physics: Conference Series, 2023, 2526, ⟨10.1088/1742-6596/2526/1/012034⟩. ⟨hal-04306397⟩
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