Using Nano-powders to Improve the Interfacial Bonding Strength of Carbon Fiber/Epoxy Composites 


Vol. 23,  No. 5, pp. 1431-1439, May  2022
10.1007/s12221-022-4651-9


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  Abstract

The interfacial bonding strength is undoubtedly very crucial to the mechanical performance of carbon fiber/epoxy composites. In this work, their bonding strength was studied by the experiments using single-lap joint specimens, which are bonded with the hybrid adhesive of epoxy resin mixing with different nano-powders of GNPs, nano-SiO2 and SiC whiskers. Adding such nano-powders effectively increases the interfacial bonding strength to different extent, and the inherent strengthening mechanism was carefully analyzed based on the SEM observations of fractured surfaces. The bonding strength was difficult to avoid of the influence of the bending moment produced by the asymmetric geometry and off-centering tensile load, and thereby finite element modeling (FEM) was carried on to reveal this effect. This work would guide the processing to improve the interfacial bonding strength of carbon fiber/epoxy composites.

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  Cite this article

[IEEE Style]

Y. Jiang, "Using Nano-powders to Improve the Interfacial Bonding Strength of Carbon Fiber/Epoxy Composites," Fibers and Polymers, vol. 23, no. 5, pp. 1431-1439, 2022. DOI: 10.1007/s12221-022-4651-9.

[ACM Style]

Yunpeng Jiang. 2022. Using Nano-powders to Improve the Interfacial Bonding Strength of Carbon Fiber/Epoxy Composites. Fibers and Polymers, 23, 5, (2022), 1431-1439. DOI: 10.1007/s12221-022-4651-9.

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