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2. Parametric characteristics analysis of three cells in 3D and five-directional annular braided composites

Author

Xiaomin Ji, Fengfeng Liu, Wang Xupeng, Weiliang Zhang, Liu Shuwei, and Tang Xinyao

Subjects
Surface (mathematics), Muscle Physiology, Physiology, Hands, 02 engineering and technology, Knuckles, Quantitative Biology::Cell Behavior, Tendons, 0203 mechanical engineering, Skeletal Joints, Mathematics::Quantum Algebra, Materials Testing, Medicine and Health Sciences, Biomechanics, Fiber, Cell Cycle and Cell Division, Composite material, Musculoskeletal System, Materials, Parametric statistics, Multidisciplinary, Software Engineering, 021001 nanoscience & nanotechnology, Biomechanical Phenomena, Fibers, Arms, 020303 mechanical engineering & transports, Cell Processes, Node (physics), Physical Sciences, Engineering and Technology, Medicine, Anatomy, 0210 nano-technology, Research Article, Computer and Information Sciences, Materials science, Parametric analysis, Science, Materials Science, Material Properties, Position (vector), Carbon Fiber, Inner diameter, Humans, Mechanical Properties, Skeleton, Biology and Life Sciences, Cell Biology, Source Code, Volume (thermodynamics), Body Limbs, Composite Materials, Musculoskeletal Mechanics
Abstract

On the basis of analyzing the movement law of 3D circular braided yarn, the three-cell model of 3D five-direction circular braiding composite material is established. By analyzing the node position relationship in various cell models, the calculation formulas of braiding angle, cell volume, fiber volume and fiber volume content in various cell models are obtained. It is found that there are four different braiding angles in four internal cells, and the braiding angles in internal cells gradually increase from inside to outside. The braiding angles of upper and lower surface cells are approximately equal. With the increase of the length of the knuckles, the braiding angles of each cell decrease, and the braiding angles of the four inner cells decrease greatly, while the braiding angles of upper and lower surfaces decrease slightly. The results of parametric analysis showed that with the increase of the length of the knuckles and the inner diameter of cells, the mass of cells increased proportionally, while the total fiber volume content of cells decreased. With the increase of braiding yarn number and axial yarn number, the unit cell mass decreases in direct proportion, and the unit cell total fiber volume content increases. Through the research results of this paper, the geometrical characteristics of the cell model under different braided parameters can be obtained, which greatly improves the analysis efficiency.

Published
2021

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