Preparation and properties of graphene/carbon fiber/poly(ether ether ketone) composites

SU Ya-nan; ZHANG Shou-chun; ZHANG Xing-hua; ZHAO Zhen-bo; CHEN Cheng-meng; JING De-qi

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Article Navigation > New Carbon Mater. > 2017 > 32(2): 152-159

SU Ya-nan, ZHANG Shou-chun, ZHANG Xing-hua, ZHAO Zhen-bo, CHEN Cheng-meng, JING De-qi. Preparation and properties of graphene/carbon fiber/poly(ether ether ketone) composites. New Carbon Mater., 2017, 32(2): 152-159.

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Preparation and properties of graphene/carbon fiber/poly(ether ether ketone) composites

1.
National Engineering Laboratory for Carbon Fiber Technology, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China;
2.
University of Chinese Academy of Sciences, Beijing 100049, China

Funds: Natural Science Foundation of Shanxi Province(2015011032); National Natural Science Foundation of China(U1510119); National Defense Innovation Foundation of China(CXJJ-16M127);Youth Innovation Promotion Association Funds for Chinese Academy of Science(2012140).

Received Date: 2017-01-26
Accepted Date: 2017-04-26
Rev Recd Date: 2017-04-12
Publish Date: 2017-04-28

Abstract

Abstract

Graphene/carbon fiber/poly(ether ether ketone) (GR/CF/PEEK) composites were prepared by directly spraying a GR dispersion onto CF/PEEK prepregs, followed by hot-pressing the stacked prepregs. The structure of the prepregs and cross-section of the composites were characterized by SEM. The mechanical, thermal and electrical properties of the composites were measured to evaluate the influence of GR on their performance. Results showed that the addition of 0.1 wt% GR increases the interlaminar shear strength, the flexural strength and flexural modulus of the composites from 57.3 MPa, 1 226.2 MPa and 64.5 GPa to 77.6 MPa, 1 512.3 MPa and 73.6 GPa, respectively. DSC analysis showed that the crystallinity of the composites increased with the GR content. The thermal conductivity and electrical conductivity of the composites were increased by 15.5 and 73.1%, respectively after 0.5 wt% GR was added. The GR/CF/PEEK composites have much better mechanical, thermal and electrical performance than the CF/PEEK composites.
- GR/CF/PEEK thermoplastic composites,
- Mechanical properties,
- Thermal conductivity,
- Electrical conductivity

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References(26)

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