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Étude des déformations de pièces composites induites par le procédé d'infusion de résine

Abstract : The dimensional instability of the composite parts limits the large diffusion of composites materials. It has to effect a shape complexity limitation and the increasing of the joined part number. This works is focused on the deformation induced by liquid resin infusion process. The main purpose is the characterization of the link between the product-processresources interactions and the final part shape. Experimental analyze on flat composite part has underlined a specific deformation mechanism, responsible of a majority of the transferred stress. The influence of industrialization parameters has been experimentally highlighted. Based on this experimental data, a prediction model has been established and his robustness has been evaluated. Than, the role of theses interactions in case of angled part has been investigated. Their contribution on the spring-in angle is minor compare to the intrinsic contribution such as the thermal and cure shrinkage anisotropies. Liquid resin infusion process can induce significant stress transfer into the part. This work represents a tool that enable a prediction of the deformation amplitude as function of number of industrialization parameters.
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https://pastel.archives-ouvertes.fr/pastel-00667062
Contributor : Henri-F. Perrin <>
Submitted on : Monday, February 6, 2012 - 5:07:17 PM
Last modification on : Friday, July 17, 2020 - 2:55:56 PM
Long-term archiving on: : Monday, May 7, 2012 - 2:26:17 AM

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  • HAL Id : pastel-00667062, version 1

Citation

Henri-F. Perrin. Étude des déformations de pièces composites induites par le procédé d'infusion de résine. Génie des procédés. Arts et Métiers ParisTech, 2011. Français. ⟨NNT : 2011ENAM0041⟩. ⟨pastel-00667062⟩

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