A new probability model for modeling of strength of carbon fiber data: properties and applications

Almanjahie, Ibrahim M.; Dar, Javid Gani; Laksaci, Ali; Ahmad, Ishfaq

doi:10.1007/s10651-021-00503-6

Environ Ecol Stat

2021

DOI: 10.1007/s10651-021-00503-6

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A new probability model for modeling of strength of carbon fiber data: properties and applications

Ibrahim M. Almanjahie

Javid Gani Dar

Ali Laksaci

et al.

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“…Carbon fiber and its fabric reinforced carbon matrix composites (C/C) composites with excellent high-temperature performance are used in a large number of applications such as missile warheads and solid rocket motor nozzles, aircraft brake discs, and space shuttle structural components. 1 Carbon fibers as high-performance fibers have many excellent properties, not only low bulk mass, high specific strength and high specific modulus, but also good heat resistance and chemical stability, [2][3][4] which are important components of C/C composites.…”

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confidence: 99%

Effect of fiber twisting on the Z-directional properties of composites

Guo

Shan

Huang

et al. 2022

Textile Research Journal

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To further improve the Z-direction tensile properties of flexible oriented 3D braided composites, we proposed a new process for twisting Z-fibers. We found a pattern of increasing and then decreasing tensile strength after twisting fibers with different K-numbers, and the four bundles of 3K fiber with 20 twists/m had the strongest tensile performance, which increased by 29.06% compared with the untwisted. Scanning electron microscopy was used to observe the twisting morphology and hairiness statistics of fiber bundles to analyze the reasons for this phenomenon. In order to increase the theoretical research on twisted fiber bundles, the relationships between the twist of fiber bundles and the tensile strength of fiber bundles, the length of fiber bundles, and the elongation of fiber bundles were established by using the idea of the least square method, and the prediction of fiber bundle strength was realized by twisting, length, and elongation purpose. The geometric model of the twisted fiber bundle was established, and the relationships between axial strain and radial strain of fiber bundles, axial strain and Poisson's ratio were realized. Combined with finite element simulation, the stress distribution position of the twisted fiber bundle was predicted. Finally, combined with the flexible-oriented three-dimensional weaving method, we selected the fiber with a twist of 20 twists/m as the Z-direction fiber, and completed the Z-direction performance enhancement of the composite material and, compared with the untwisted fiber, the tensile strength was increased by 60.9%.

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confidence: 99%

Effect of fiber twisting on the Z-directional properties of composites

Guo

Shan

Huang

et al. 2022

Textile Research Journal

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Letter to the editor

Nadarajah

Chan

2023

Environ Ecol Stat

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A new probability model for modeling of strength of carbon fiber data: properties and applications

Cited by 2 publications

References 18 publications

Effect of fiber twisting on the Z-directional properties of composites

Effect of fiber twisting on the Z-directional properties of composites

Letter to the editor

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