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Investigation of the formability behaviour during stam** of tufted and un-tufted carbon preforms: towards localized reinforcement technologies
The originality of this work consists in the study of the stam** behaviour of tufted and un-tufted carbon preforms. Several preforms by varying the tufting thread orientations (0°, 90° and 0°/90°) and with d...
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Article
Engineering Design and Mechanical Property Characterisation of 3D Warp Interlock Woven Fabrics
3D warp interlock fabrics have been used both in composite materials as fibrous reinforcement as well as in protective solutions against impact mainly due to their improved capacity to absorb energy by higher ...
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Interesting Mechanical Properties of 3D Warp Interlock Fabrics
The purpose of this study is to analyse the influence of weaving parameters of 3D warp interlock fabrics on their mechanical properties. Using the same yarns in the warp and weft direction, four main product a...
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Article
Experimental preforming of highly double curved shapes with a case corner using an interlock reinforcement
This experimental work concerns the study of the preforming of a specific highly double curved geometry with a triple point (case corner) by the sheet forming process using powdered interlock reinforcement (G1...
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Article
Design and Potentiality of an Apparatus for Measuring Yarn/Yarn and Fabric/Fabric Friction
The market demand for thicker complex shaped structural composite parts is increasing. Processes of the Liquid Composite Moulding (LCM) family, such as Resin Transfer Moulding (RTM) are considered to manufactu...
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Prediction of Braid Deformability During RTM Process
In composite materials, fibres orientation has a strong influence on the final part properties. This work concerns the manufacturing of a tube with braided reinforcement using a Resin Transfer Moulding (RTM) p...
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Article
Experimental Study of Bending Behaviour of Reinforcements
In composite reinforcement sha**, textile preform undergo biaxial tensile deformation, in plane shear deformation, transverse compaction and out-of-plane bending deformations. Bending deformations have been ...
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Article
Experimental device for the preforming step of the RTM process
This paper concerns the development of an experimental device which is able to form very complex double curved geometry. Objectives are to analyze the evolution of the woven preform during the forming process....
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Article
Study of bending behaviour of composite reinforcements
In sha** of composite reinforcements, tensile stresses are the major stresses, while in plane shear strains are the major strains. However the knowledge of the bending behaviour would give more precisely sim...
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Article
Experimental tool of woven reinforcement forming
An experimental device of dry preforms stam** was designed and carried out for the first stage of the RTM process. This tool was developed to test the feasibility to obtain specific double curved shape const...
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Article
BENDING TEST OF COMPOSITE REINFORCEMENTS
In sha** of composite reinforcements, tensile stresses are the major stresses, while in plane shear strains are the major strains. However the knowledge of the bending behaviour would give more precisely sim...
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Article
Composites Preforms Simulations for Helicopters Parts
The performance of composite materials in structural aeronautical applications is routinely demonstrated. The structures of advanced helicopters mainly consist of Fibre Reinforced Plastics. Nowadays the huge m...