Structural modeling and mechanical characterizing of three-dimensional four-step braided composites: A review

Gu, Qiujin; Quan, Zhenzhen; Yu, Jianyong; Yan, Jianhua; Sun, Yunlan; Xu, Guangbiao

doi:10.1016/j.compstruct.2018.09.065

Cited by 66 publications

(33 citation statements)

References 60 publications

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“…The three-dimensional (3D) braided composites are the important textile composite members. Primarily, 3D four-directional braiding permits tailoring of the material to achieve desirable mechanical properties such as high stiffness and strength [1,2]. In practice, the mechanical characteristics of braided composites mostly depend on their internal braiding structures.…”

Section: Introductionmentioning

confidence: 99%

Modeling and Two-Step Homogenization of Aperiodic Heterogenous 3D Four-Directional Braided Composites

2020

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The mechanical properties of the material are essential to identify the material behavior of the structure. Predicting four-directional braided composites’ mechanical properties based on accurate modeling is an essential issue among researchers. In this research, the principle of minimum energy loss-based mechanics of structure genome was used for the two-step homogenization of three-dimensional (3D) four-directional braided composites. In the first step homogenization, the micro-scale model’s effective mechanical properties were decided by considering fibers and matrix; in the second step homogenization, the final effective mechanical properties of the meso-scale model were obtained by considering yarns and matrix. TexGen python script was implemented for accurate modeling of 3D four-directional braided cells with jamming effects. The current process sustainability was validated for 3D four-directional braided polymer matrix composites (PMCs) material by available finite element analysis (FEA) and experimental literature. The method is further extended for 3D four-directional braided ceramic matrix composites (CMCs) to confirm its versatility for standard composites. A commercial FEA was also performed on the meso-scale braided cell to validate the two-step homogenization results. This research explored fast and more accurate modeling and analysis techniques for 3D four-directional braided composites.

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Section: Introductionmentioning

confidence: 99%

Modeling and Two-Step Homogenization of Aperiodic Heterogenous 3D Four-Directional Braided Composites

2020

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“…The yarns of 3D braided composites intertwined with one another in space to form a highly integrated 3D mesh structure can fundamentally overcome the problems of poor adhesion between layers and easy delamination, and thus, improve the structural integrity and mechanical properties of composites along the thickness direction [ 1 , 2 ]; such composites have been widely used in the aerospace, military, marine, automobile, and other fields [ 3 , 4 , 5 ]. With the continuous expansion of the understanding and application of braided composites, the demand for high-performance 3D braided composites is also increasing.…”

Section: Introductionmentioning

confidence: 99%

Short Beam Shear Behavior and Failure Characterization of Hybrid 3D Braided Composites Structure with X-ray Micro-Computed Tomography

Sun

Xiang

et al. 2020

Polymers

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Three-dimensional braided composite has a unique spatial network structure that exhibits the characteristics of high delamination resistance, damage tolerance, and shear strength. Considering the characteristics of braided structures, two types of high-performance materials, namely, aramid and carbon fibers, were used as reinforcements to prepare braided composites with different hybrid structures. In this study, the longitudinal and transverse shear properties of 3D braided hybrid composites were tested to investigate the influences of hybrid and structural effects. The damage characteristics of 3D braided hybrid composites under short beam shear loading underwent comprehensive morphological analysis via optical microscopy, water-logging ultrasonic scanning, and X-ray micro-computed tomography methods. It is shown that the shear toughness of hybrid braided composite has been improved at certain degrees compared with the pure carbon fiber composite under both transverse and longitudinal directions. The hybrid braided composites with aramid fiber as axial yarn and carbon fiber as braiding yarn exhibited the best shear toughness under transverse shear loading. Meanwhile, the composites with carbon fiber as axial yarn and aramid fiber as braiding yarn demonstrated the best shear toughness in the longitudinal direction. Due to the different distribution of axial and braiding yarns, the transverse shear property of hybrid braided structure excels over the longitudinal shear property. The failure modes of the hybrid braided composite under the two loading directions are considerably different. Under transverse loading, the primary failure mode of the composites is yarn fracture. Under longitudinal loading, the primary failure modes are resin fracture and fiber slip. The extensive interfacial effects and the good deformation capability of the hybrid braided composites can effectively prevent the longitudinal development of internal cracks in the pattern, improving the shear properties of braided composites.

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“…22 The studies relevant to the structural modeling of 3D braided fabrics have been classified into three types, that is, mechanical equivalence models, unit cell geometrical models, and yarn geometrical models. 23 Meso-geometric models which directly influenced the precision of numerical results were also elaborated. [24][25][26] Although many kinds of models and calculation methods were proposed, it could not form a technical system without the characteristics of universality and unification.…”

Section: Introductionmentioning

confidence: 99%

Investigation of the classification and properties of three-dimensional textile fabrics

Zhang

Zhu

2019

Journal of Engineered Fibers and Fabrics

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Three-dimensional textile fabrics are used as the reinforcing phase of the textile structural composites, and their geometry affect the physical and mechanical properties of composites. Based on the curvature and directions of the fiber tows in three-dimensional textile fabrics, four representative geometric units are proposed, namely, the orthogonal geometric unit, the curved geometric unit, the skew geometric unit, and the uniform distribution unit, respectively. Other units are the combinations or derivations of these representative geometric units. The relationship and performance characteristics of these representative geometric units are discussed in section “The relationship of RGUs.” The structural features of three-dimensional textile fabrics are illustrated on the mesoscopic scale, and the models are established to predict the geometric properties. The concepts of fabrics with stable structure, flexible structure, elastoplastic structure, and uniform structure are proposed. The fiber volume fractions and elastic characteristics of different structural fabrics are discussed. The classification of three-dimensional textile fabrics is conducive to investigate the relationship between geometry and property, forming a technical system and providing a theoretical basis for the selection of three-dimensional structural textile composites with different performance.

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Structural modeling and mechanical characterizing of three-dimensional four-step braided composites: A review

Cited by 66 publications

References 60 publications

Modeling and Two-Step Homogenization of Aperiodic Heterogenous 3D Four-Directional Braided Composites

Modeling and Two-Step Homogenization of Aperiodic Heterogenous 3D Four-Directional Braided Composites

Short Beam Shear Behavior and Failure Characterization of Hybrid 3D Braided Composites Structure with X-ray Micro-Computed Tomography

Investigation of the classification and properties of three-dimensional textile fabrics

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