Computation of the effective mechanical properties including nonclassical moduli of 2.5D and 3D interlocks by micromechanical approaches

Rahali, Yosra; Assidi, Mohamed; Goda, Ibrahim; Zghal, Ali; Ganghoffer, Jean‐François

doi:10.1016/j.compositesb.2016.04.066

Cited by 36 publications

(19 citation statements)

References 56 publications

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“…• 3D-textile composites with 2.5D yarn architecture The full details of their geometrical description are given in [8]. Yarns geometry are modelled with elliptical cross-sections and cubic spline paths.…”

Section: Comparative Study Of Five Different 3d-textile Compositesmentioning

confidence: 99%

“…3D-textile composites have yarns oriented in x, y and z directions and therefore possess improved out-of-plane properties. As compared to conventional 2D-textile composites, 3D-textile composites possess high delamination resistance and improved impact performance [8][9][10]. 3D-textile composites allow manufacturing of near-net shape in a single production step leading to minimum scrap [11].…”

Section: Introductionmentioning

confidence: 99%

“…Numerical results were compared with the experimental results and found to be about 10% stiffer. A discrete homogenisation scheme was used in [8] for the prediction of effective mechanical properties of 3D dry textiles composites. Results were satisfactory compared to FEM results.…”

Section: Introductionmentioning

confidence: 99%

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A unified framework for the multi-scale computational homogenisation of 3D-textile composites

Ullah

Zhou

Kaczmarczyk

et al. 2019

Composites Part B: Engineering

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This paper extends the applications of a novel and fully automated multi-scale computational homogenisation framework, originally proposed by the authors (Ullah, et al. (2017)) for unidirectional and 2D-textile composites, to 3D-textile composites. 3D-textile composites offer many advantages over 2D-textile composites but their highly complicated and unpredictable post-cured geometries make their design very challenging. Accurate computational models are therefore essential to the development of these materials. The computational framework described in this paper possesses a variety of novel features which have never been tried for this class of composites and can potentially help to fully automatise and improve their design process. A unified approach is used to impose the representative volume element boundary conditions, which allows convenient switching between linear displacement, uniform traction and periodic boundary conditions. The computational framework is implemented using hierarchic basis functions of arbitrary polynomial order, which allows one to increase the order of approximation without changing the finite element mesh. The yarns' principal directions, required for the transversely isotropic material model are calculated using a potential flow analysis along these yarns. This feature is very useful for 3D-textile composites and can accurately determine fibres' directions even in the case of very deformed yarns. A numerical example from literature consisting of a 3D-orthogonal woven composite is used to demonstrate the correct implementation and performance of the developed computational framework. Also, the developed computational framework is used to perform a comparative study of the homogenised mechanical properties of five 3D-textile composites with different yarn architectures.

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Section: Comparative Study Of Five Different 3d-textile Compositesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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A unified framework for the multi-scale computational homogenisation of 3D-textile composites

Ullah

Zhou

Kaczmarczyk

et al. 2019

Composites Part B: Engineering

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“…Par contre à la connaissance des auteurs, la faisabilité de ré aliser des pré formes 3D Interlock chaine, à partir de mèches de lin, n'a pas é té dé crite. Par ailleurs si de nombreux travaux [22][23][24][25] s'attachent à la caractérisation et à la modélisation, à l'échelle de composites élaborés à partir de préformes 3D, pour analyser l'influence des paramètres d'architectures de ces structures 3D complexes sur le comportement mé canique, peu d'études ont été conduites sur les renforts secs avant impré gnation.…”

Section: Introductionunclassified

Identification of the Mechanical Behaviour of 3D Warp Interlock Made with Flax Roving

Lansiaux¹,

Corbin²,

Soulat³

et al. 2019

RCMA

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This study deals with the feasibility to weave 3D warp interlock fabric from flax roving dedicated to composite reinforcement as well as its multiscale characterization. 3D warp interlock weaving leads to thick structures that are more resistant to delamination than traditional 2D laminates. The mechanical properties of these dry 3D reinforcements depend on their architecture and the warp binding yarn path in the thickness of the fabric. RÉSUMÉ : Cette é tude dé crit à la fois la faisabilité du tissage 3D interlock chaine à base de mè ches de lin et la caracté risation multi-é chelle de ces renforts secs pour maté riaux composites. Le tissage 3D interlock chaine permet de ré aliser des structures é paisses, plus ré sistantes aux dé laminages que les empilements de tissus 2D. Les proprié té s mé caniques de ces renforts secs dépendent de l'architecture des renforts et du parcours des fils de chaine de liage dans l'épaisseur.

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“…The 3D weaving process also enables the composite manufacturer to produce near-net shape complex preforms which are best suited in high-tech industrial domains [8]. Consequently, 3D-woven composites made from E-glass, carbon, polyester or aramid fibres are the subject of recent studies [9][10][11][12][13][14] for their applications in high-tech industrial domains, such as automotive and aerospace industries and for instance fan blades developed by Warren et al and Dambrine et al [4,15]. If these papers are dedicated to the identification of mechanical properties of 3Dwoven composites and to the development of simulation tools to describe and compute 3D-woven composites properties, few studies concern the influence of 3D-woven architecture on these mechanical properties at dry scale, before impregnation.…”

Section: Introductionmentioning

confidence: 99%

Influence of 3D warp interlock fabrics parameters made with flax rovings on their final mechanical behaviour

Corbin

Boussu

Ferreira

et al. 2018

Journal of Industrial Textiles

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The three-dimensional weaving process enables to produce near-net shaped complex preforms used as reinforcement of composite materials. However, the lack of knowledge on the mechanical behaviour of these three-dimensional woven structures may restrict their use for composite material. To fill this gap, we have tempted to highlight their specific mechanical properties according to their endogenous parameters. Based on these different architectures produced on the same weaving loom, several non-impregnated coupons have been mechanically characterized in all the directions of the three-dimensional warp interlock fabrics with quasi-static tensile tests in warp and weft directions as well as in-plane shear tests. According to our analyses, it has been revealed that the combination of several parameters as the woven pattern, the end and pick densities and the presence or not of stuffer warp yarns inside the three-dimensional fabrics may significantly influence the mechanical behaviour of the three-dimensional warp interlock architectures.

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Computation of the effective mechanical properties including nonclassical moduli of 2.5D and 3D interlocks by micromechanical approaches

Cited by 36 publications

References 56 publications

A unified framework for the multi-scale computational homogenisation of 3D-textile composites

A unified framework for the multi-scale computational homogenisation of 3D-textile composites

Identification of the Mechanical Behaviour of 3D Warp Interlock Made with Flax Roving

Influence of 3D warp interlock fabrics parameters made with flax rovings on their final mechanical behaviour

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