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Synthesis and Characterization of Carbon Fibers Multi-scale Reinforcement with Grafted Graphene Oxide |
ZHAO Yonghua1, MA Zhaokun1,*( ), SONG Huaihe1, CHEN Ming1, ZHOU Zhenggang2 |
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Cite this article:
ZHAO Yonghua, MA Zhaokun, SONG Huaihe, CHEN Ming, ZHOU Zhenggang. Synthesis and Characterization of Carbon Fibers Multi-scale Reinforcement with Grafted Graphene Oxide. Chinese Journal of Materials Research, 2016, 30(3): 229-234.
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Abstract A kind of carbon fiber / graphene oxide multi-scale reinforcement was prepared by "grafting to" method, with raw materials of the graphene oxide fabricated by a modified Hummers method and the carbon fiber treated with silane coupling agent Kh550.The prepared product was characterized by means of scanning electron microscopy (SEM), transmission electron microscopy (TEM), Ramanspectroscopy (Raman), X-ray photoelectron spectroscopy (XPS) and infrared spectroscopy (IR). The mechanical properties and the conductivity of the reinforced carbon fiber were measured by electronic tensile strength tester for fiber and resistivity instrument. The results showthatafter grafting, the graphene oxide can be grafted onto grooves and defects of the carbon fiber surface; the number of unsaturated carbon atom increases andthe size of microcrystalline decreases on the surface of the carbon fiber; andthe tensile strength andthe fractureelongation of single carbon fiber may be increased up to 9.8% and 13.1%, respectively andhowever the conductivity of carbon fiber is reduced by 11.6%.
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Received: 13 January 2015
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About author: CorrespondingAuthor*To whom correspondence should be addressed, Tel: 13911126076, E-mail: mazk@mail.buct.edu.cn |
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