Damage evolution and failure mechanism of 3D6d braided composite tubes under quasi-static lateral compression

Wang, Xiaoxu; Wang, Zunqin; Zhang, Diantang; Qian, Kun

doi:10.1016/j.coco.2024.101825

Composites Communications

2024

DOI: 10.1016/j.coco.2024.101825

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Damage evolution and failure mechanism of 3D6d braided composite tubes under quasi-static lateral compression

Xiaoxu Wang,

Zunqin Wang,

Diantang Zhang

et al.

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Cited by 6 publications

References 28 publications

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Tension fluctuation analysis and structure optimization of yarn carriers in the carbon fiber braiding machine

Du,

He,

et al. 2024

Polymer Composites

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In the process of carbon fiber braiding, yarn carriers are the key component, and their ability to maintain stable tension is critical for producing high‐performance composite preforms. However, there are several issues with present yarn carriers, such as sudden changes in tension and excessive fluctuation, which often result in fiber breakage and seriously affect material qualities. To address these issues, the tension mathematical model is established based on the working principle of the slider‐type yarn carrier, which reveals that the separation of slider 2 and slider 1 caused by the ratchet and brake block structure is the root cause of the impact load. Second, the accuracy of the theoretical model is verified by dynamic simulation and the tension test, and the impact phenomenon is captured by a high‐speed camera. The research demonstrates that by decreasing the angle φ, the impact load can be efficiently decreased or removed. The amplitude of tension fluctuations is significantly influenced by the spring's elastic coefficient, preload, and friction coefficient. Finally, a genetic algorithm was used to optimize the structure, and the amplitude of tension fluctuation was reduced by 54.3% after optimization. This work offers significant guidance for enhancing the performance of yarn carriers.Highlights A theoretical model that describes the impact load generated by yarn carriers is developed. The origin of the impact load is revealed by a multi‐dimensional research method. Structural optimization for the issues of sudden tension changes and excessive fluctuations

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Tension fluctuation analysis and structure optimization of yarn carriers in the carbon fiber braiding machine

Du,

He,

et al. 2024

Polymer Composites

View full text Add to dashboard Cite

show abstract

Introducing a nano-scale surface morphology parameter affecting fracture properties of CNT nanocomposites

Yekani Fard,

Norkus

2024

Composites Communications

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Vibration characteristics and response behaviors of three-dimensional-four-directional knitted composite sandwich cylindrical shells with pyramidal latticed cellular cores

Dong,

Yu,

Zhao

2025

Composite Structures

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Damage evolution and failure mechanism of 3D6d braided composite tubes under quasi-static lateral compression

Cited by 6 publications

References 28 publications

Tension fluctuation analysis and structure optimization of yarn carriers in the carbon fiber braiding machine

Tension fluctuation analysis and structure optimization of yarn carriers in the carbon fiber braiding machine

Introducing a nano-scale surface morphology parameter affecting fracture properties of CNT nanocomposites

Vibration characteristics and response behaviors of three-dimensional-four-directional knitted composite sandwich cylindrical shells with pyramidal latticed cellular cores

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