Tensile Properties of Low Concentration Graphene Oxide Modified Epoxy Resin-Based Carbon Fiber Laminate

WU Mingyu; YAN Xiaopeng; GUO Zhangxin; CUI Junjie

doi:10.11858/gywlxb.20200541

Volume 34 Issue 6

Nov 2020

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Chinese Journal of High Pressure Physics > 2020 > 34(6): 061301.

WU Mingyu, YAN Xiaopeng, GUO Zhangxin, CUI Junjie. Tensile Properties of Low Concentration Graphene Oxide Modified Epoxy Resin-Based Carbon Fiber Laminate[J]. Chinese Journal of High Pressure Physics, 2020, 34(6): 061301. doi: 10.11858/gywlxb.20200541

Citation:

WU Mingyu, YAN Xiaopeng, GUO Zhangxin, CUI Junjie. Tensile Properties of Low Concentration Graphene Oxide Modified Epoxy Resin-Based Carbon Fiber Laminate[J]. Chinese Journal of High Pressure Physics, 2020, 34(6): 061301. doi: 10.11858/gywlxb.20200541

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Tensile Properties of Low Concentration Graphene Oxide Modified Epoxy Resin-Based Carbon Fiber Laminate

doi: 10.11858/gywlxb.20200541

WU Mingyu^{1, 2, 3
,},
YAN Xiaopeng^{1, 2, 3,*
,
,},
GUO Zhangxin^{1, 2, 4,*
,
,},
CUI Junjie^{1, 3, 4}

1.
College of Mechanical and Vehicle Engineering, Taiyuan University of Technology, Taiyuan 030024, Shanxi, China
2.
Shanxi Key Laboratory of Material Strength & Structural Impact, Taiyuan University of Technology, Taiyuan 030024, Shanxi, China
3.
National Demonstration Center for Experimental Mechanics Education (Taiyuan University of Technology), Taiyuan 030024, Shanxi, China
4.
State Key Laboratory for Strength and Vibration of Mechanical Structures, School of Aerospace, Xi’an Jiaotong University, Xi’an 710049, Shaanxi, China

Received Date: 09 Apr 2020
Rev Recd Date: 20 Apr 2020
Issue Publish Date: 25 Oct 2020

Abstract

Abstract

Graphene oxide (GO) was evenly dispersed in epoxy resin, and vacuum-assisted resin transfer molding was used to prepare reinforced carbon fiber composite materials. Different concentrations (0, 0.03%, 0.07% and 0.10%) were studied tensile properties and micro-adhesive properties of graphene oxide (GO) modified epoxy resin/carbon fiber (EP/CF) laminate at room temperature, explored the threshold for significant improvement of mechanical properties of carbon fiber reinforced composites by low concentration GO. The experimental results show that graphene oxide (GO) has a certain improvement effect on the performance of carbon fiber reinforced epoxy composites. Compared with pure epoxy-based carbon fiber laminates, as the concentration of GO increases, its tensile properties will also increase; GO contained functional groups can improve the degree of bonding between the epoxy-based system and the carbon fiber. Through scanning electron microscopy (SEM), it can be observed that the adhesion of the carbon fiber and the epoxy resin in the GO-laminated board is closer, which makes the meshing effect stronger and improves the tensile strength of composite laminates; mechanical properties of laminates begin to be significantly improved when their content reaches 0.07% when modified by low-concentration GO.
- graphene oxide,
- carbon fiber,
- tensile test,
- mechanical properties

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Tensile Properties of Low Concentration Graphene Oxide Modified Epoxy Resin-Based Carbon Fiber Laminate

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