Effect of carbon nanotubes modification on bending fatigue properties of carbon fiber reinforced polyimide composites

Liu, Yue; Li, Jikang; Kuang, Yue; Liu, Zheng; Zhang, Zhe; Chen, Xu

doi:10.1016/j.ijfatigue.2023.107814

International Journal of Fatigue

2023

DOI: 10.1016/j.ijfatigue.2023.107814

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Effect of carbon nanotubes modification on bending fatigue properties of carbon fiber reinforced polyimide composites

Yue Liu

Jikang Li

Yue Kuang

et al.

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Cited by 14 publications

References 39 publications

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Off‐axis compression behavior and failure mechanisms of needled carbon/quartz fiber reinforced phenolic resin composite based on acoustic emission

Kuang,

Li,

Wang

et al. 2024

Polymer Composites

Self Cite

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The effect of the off‐axis angle (note as θ) on compressive properties and failure mechanisms in needled carbon/quartz fiber reinforced phenolic resin (CF‐QF/PF) composite has been investigated. For this objective, a series of quasi‐static off‐axis compression tests were performed, and a more precise and general model for predicting the compressive modulus and strength has been proposed. Further, the acoustic emission (AE) technology, including parameter‐based analysis and the Hilbert Huang Transform (HHT) method, was also employed to scrutinize the intricate damage mechanisms. The results show that specimens with θ = 0° exhibit linear and brittle behavior and are the most dangerous scenarios because delamination (accounting for 58% of the total AE accumulative energy) dominates their failure. For specimens with small off‐axis angles (0° < θ ≤ 45°), the fiber‐matrix interface determines their compressive properties. While for specimens with large off‐axis angles(45° < θ ≤ 90°), the enhanced transverse load‐bearing capacity of fibers becomes the dominant factor, characterized by significant debonding (33% when θ = 60°) and fiber breakage (27% when θ = 90°). Finally, these results were verified by optical microscopy (OM) and scanning electron microscopy images (SEM).Highlights Off‐axis compression behaviors of needled CF‐QF/PF composite are studied. A more precise and general model for predicting off‐axis compression properties is proposed. Acoustic emission technology is used to quantify different types of damage. Failure mechanisms are revealed by combining in‐situ and offline techniques.

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Off‐axis compression behavior and failure mechanisms of needled carbon/quartz fiber reinforced phenolic resin composite based on acoustic emission

Kuang,

Li,

Wang

et al. 2024

Polymer Composites

Self Cite

View full text Add to dashboard Cite

show abstract

Effect of volume fraction of cashew nut de-oiled husk biosilica on load-bearing properties of ramie fiber–reinforced vinyl ester resin composite

Gayathri,

Pragadish,

Bright

et al. 2023

Biomass Conv. Bioref.

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Constructing short carbon fiber/carbon nanotubes multiscale reinforcement by a non-destructive rare-earth modification method for improving the thermal, mechanical, and tribological properties of epoxy-based composites

Li,

Zhang

2024

Composites Part A: Applied Science and Manufacturing

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Effect of carbon nanotubes modification on bending fatigue properties of carbon fiber reinforced polyimide composites

Cited by 14 publications

References 39 publications

Off‐axis compression behavior and failure mechanisms of needled carbon/quartz fiber reinforced phenolic resin composite based on acoustic emission

Off‐axis compression behavior and failure mechanisms of needled carbon/quartz fiber reinforced phenolic resin composite based on acoustic emission

Effect of volume fraction of cashew nut de-oiled husk biosilica on load-bearing properties of ramie fiber–reinforced vinyl ester resin composite

Constructing short carbon fiber/carbon nanotubes multiscale reinforcement by a non-destructive rare-earth modification method for improving the thermal, mechanical, and tribological properties of epoxy-based composites

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