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Nanomaterials 2016, 6(5), 89; doi:10.3390/nano6050089

Modification of the Interfacial Interaction between Carbon Fiber and Epoxy with Carbon Hybrid Materials

Key Laboratory of Eco-textiles, Ministry of Education, Jiangnan University, Wuxi, Jiangsu 214122, China
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Academic Editor: Yurii Gun’ko
Received: 4 March 2016 / Revised: 3 May 2016 / Accepted: 3 May 2016 / Published: 12 May 2016
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Abstract

The mechanical properties of the hybrid materials and epoxy and carbon fiber (CF) composites were improved significantly as compared to the CF composites made from unmodified epoxy. The reasons could be attributed to the strong interfacial interaction between the CF and the epoxy composites for the existence of carbon nanomaterials. The microstructure and dispersion of carbon nanomaterials were characterized by transmission electron microscopy (TEM) and optical microscopy (OM). The results showed that the dispersion of the hybrid materials in the polymer was superior to other carbon nanomaterials. The high viscosity and shear stress characterized by a rheometer and the high interfacial friction and damping behavior characterized by dynamic mechanical analysis (DMA) indicated that the strong interfacial interaction was greatly improved between fibers and epoxy composites. Remarkably, the tensile tests presented that the CF composites with hybrid materials and epoxy composites have a better reinforcing and toughening effect on CF, which further verified the strong interfacial interaction between epoxy and CF for special structural hybrid materials. View Full-Text
Keywords: carbon nanomaterials; interfacial interaction; carbon fiber; epoxy carbon nanomaterials; interfacial interaction; carbon fiber; epoxy
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Yu, K.; Wang, M.; Wu, J.; Qian, K.; Sun, J.; Lu, X. Modification of the Interfacial Interaction between Carbon Fiber and Epoxy with Carbon Hybrid Materials. Nanomaterials 2016, 6, 89.

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