Numerical and experimental study on effect of braiding angle on low-velocity transverse punch response of braided composite tube

Abstract

In this study, the performance of braided composite tubes under low-velocity transverse impact loading at mid-span was investigated using both numerical and experimental methods. Three types of braided composite tubes with different braiding angles (30°, 45°, and 60°) were manufactured. The transverse punch behavior of the tubes was examined on a low-velocity imspact test bench. A meso-level finite element model of the composite tube was also established for identifying the damage initiation and development. The numerical results showed a good correlation with the experimental data. The mechanical response including force–time histories, force–displacement histories, and fracture morphologies was compared between three types of composite tubes for analyzing the influence of braiding angle on the impact response and failure mode. Although suffering from the low bending stiffness depends on fiber volume fraction at initial impact stage, the braided tube with 30° angle engaged more portion to resist impact loading in subsequent process and thus presented higher peak loading than the one with large angle. In addition, there are distinct different failure modes between composite tubes with various braiding angles. Shear yarn breakage underneath the punch was prone to occur in 30° sample because the braiding yarn was closer to the axial direction of tube. In contrast, the resin was deboned severely from the braiding yarn and then the braiding yarn exhibits plastic deformation in 60° sample due to the stress concentration caused by the large braiding angle.

Analyzing the effect of fiber path curvature on the fracture behavior of braided composite cylinders; experimental study

“…[4][5][6] To find out the influence of the braided structures on the mechanical performance of tubular braided composites, much research has been done to numerically simulate the braiding process. [7][8][9][10] Many researches have demonstrated that braiding angle is one of the parameters that have a significant influence on the mechanical properties of tubular braided composites. [11][12][13][14] Studies on tubular braided composites under tensile loadings have been investigated by several researchers.…”

“…They are fabricated by using a radial braider or Maypole braider and are manufactured with different braiding patterns including diamond (1/1), regular (2/2), hercules (3/3), and tri‐axial (diamond or regular with axial yarns) 4–6 . To find out the influence of the braided structures on the mechanical performance of tubular braided composites, much research has been done to numerically simulate the braiding process 7–10 . Many researches have demonstrated that braiding angle is one of the parameters that have a significant influence on the mechanical properties of tubular braided composites 11–14 .…”

Damage mechanism characterization of ±35° and ±55° FW composite tubes using acoustic emission method

“…The development of a computational model, which predicts the initiation and propagation of the damage in composite structures is a key aspect for a more comprehensive understanding of the behavior of these structures. For this purpose, the finite element (FE) analysis was used to enhance the accuracy of multiscale modeling (Jin et al., 2020; Wei et al., 2022; Wu et al., 2019). Furthermore, continuum damage mechanics (CDM) (Gao and Wang, 2021; Isometsä and Sjölind, 1999; Ribeiro et al., 2012) and micromechanical damage models (Liu et al., 2020; Zhu et al., 2021) have been used successfully.…”