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Communication Dans Un Congrès Année : 2024

Improving the compressibility of recycled carbon fibre non-woven mats

Quentin Govignon
Florentin Berthet

Résumé

This paper looks at increasing the fibre volume fraction of composites made of recycled carbon fibres and processed through resin infusion. While the pressure applied on the reinforcement is limited to the difference between atmospheric pressure and the vacuum applied inside the cavity, different methods of increasing the fibre content were investigated, whether before or during composite manufacturing. The most effective method appeared to be through the application of a high loading on the reinforcement before draping the preform in the mould. A change of the non-woven architecture also appeared to enable a significant gain in the composite fibre content, the control of the resin infusion process also enables a gain of a few points of fibre fraction. The influence of the fibre content on the coefficient of thermal extension was also investigated and the improvement of the carbon footprint of the developed composite was estimated through the estimation of energy required to manufacture the raw materials.

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Matériaux
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Dates et versions

hal-04696773 , version 1 (13-09-2024)

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  • HAL Id : hal-04696773 , version 1

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Quentin Govignon, Aubin Cloos, Florentin Berthet. Improving the compressibility of recycled carbon fibre non-woven mats. ECCM21 - the 21st European Conference on Composite Materials, Jul 2024, Nantes, France. pp.920-926. ⟨hal-04696773⟩
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