Surface modification of carbon fiber(CF) deposited graphene oxide(GO) by electrophorestic deposition and interfacial properties of GO-CF/epoxy composites

被引：0
|
作者：
Li N. [1 ]
Li X. [1 ]
Liu L. [2 ]
Wang L. [1 ]
Xu S. [1 ]
Yang J. [1 ]
Huang Y. [2 ]
Wang C. [1 ]
机构：
[1] College of Chemistry, Chemical Engineering and Environment, Liaoning Shihua University, Fushun
[2] School of Chemical and Chemical Engineering, Harbin Institute of Technology, Harbin
来源：
Fuhe Cailiao Xuebao/Acta Materiae Compositae Sinica | 2020年 / 37卷 / 07期
关键词：
Carbon fiber; Composite; Electrophoresis deposition; Graphene oxide; Interface property; Surface topography;
D O I：
10.13801/j.cnki.fhclxb.20191120.001
中图分类号：
学科分类号：
摘要：
The graphene oxide(GO) was deposited on the surface of continuous carbon fiber(CF) by ultrasonic assisted electrophoresis deposition in isopropyl alcohol for the modification of the surface of CF. Then the adhesion between GO and CF was enhanced by high temperature treatment under 200℃, which would increase the interfacial bonding strength of CF/epoxy(EP) composites. The surface morphology and microstructure of the CF before and after modification were characterized by SEM and AFM, and the changes of the surface functional groups of CF before and after modification were tested by XPS. The results show that the tensile strength of the modified CF is increased by 34.58% after deposition of GO and treatment under 200℃. The reason for the improvement is that some partially reduced GO sheets fill or bridge the defects on the surface of CF. At the same time, the adhesion between RGO and CF is enhanced by the linkage of chemical bond after high temperature treatment. And the interfacial shear strength (IFSS) of RGO-CF/EP composites is increased by 69.9%. © 2020, Editorial Office of Acta Materiae Compositae Sinica. All right reserved.
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页码：1571 / 1580
页数：9
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