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- Title
Organic–inorganic interface enhancement for boosting mechanical and tribological performances of carbon fiber reinforced composites.
- Authors
Ma, Shanshan; Fei, Jie; Yan, Jifeng; Liu, Longqi; Huang, Qiyue; Zhou, Man; Li, Hejun
- Abstract
The limitation in the poor interface would severely affect the further development and application of carbon fiber reinforced composites (CFRP). Unique organic–inorganic hybrid architectures of MOF‐5‐NH2 and carboxymethyl cellulose (CMC) were established on the fiber/matrix interphase for promoting mechanical and tribological performances of the composites. The existence of above interfacial reinforced structure was in favor of generating abundant micromechanical interaction sites for enhancing mechanical interlocking. Meanwhile, high‐density chemical crosslinking networks played a positive role in elevating interfacial adhesion, further relieving stress concentration and hindering crack propagation. The tensile strength of CFRP‐2, CFRP‐3, CFRP‐4, and CFRP‐5 exhibited a significant rising of 27.18%, 30.64%, 27.75%, and 36.88%, respectively. The friction coefficient of MOF‐5‐NH2/CMC modified sample increased from 0.0953 to 0.1219, while the drop in the wear rate of the composites achieved 68.51%. This work provides an effective method for achieving the structure–function integrated design of composite materials according to the organic–inorganic interface enhancement of MOF‐5‐NH2/CMC.
- Subjects
CARBON fibers; CARBOXYMETHYLCELLULOSE; MECHANICAL wear; STRESS concentration; CRACK propagation (Fracture mechanics); COMPOSITE materials; FIBROUS composites
- Publication
Journal of Applied Polymer Science, 2024, Vol 141, Issue 4, p1
- ISSN
0021-8995
- Publication type
Article
- DOI
10.1002/app.54855