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The influence of MXenes on the mechanical, antistatic, and heat-resistant properties of CF/PI composites Cover

The influence of MXenes on the mechanical, antistatic, and heat-resistant properties of CF/PI composites

Materials Science-Poland
Volume 39 (2021): Issue 4 (December 2021)
By: Li Jian  
Open Access
|Apr 2022

Figures & Tables

Fig. 1

Preparation process of CF/PI composites by heat treatment. CF, carbon fiber; PI, polyimide

Fig. 2

The variations of temperature and pressure with time

Fig. 3

The effect of CF mass fraction on the surface resistivity of CF/PI and O3-treated CF/PI composites. CF, carbon fiber; PI, polyimide. The error bars represent 5% standard deviation

Fig. 4

FTIR spectrum of CF and O3-treated CF: (A) CF; (B) O3-treated CF. CF, carbon fiber; FTIR, Fourier-transform infrared

Fig. 5

SEM photos of (A) CF/PI and (B) O3-treated CF/PI composites. CF, carbon fiber; PI, polyimide; SEM, scanning electron microscopy

Fig. 6

The effect of CF mass fraction on the tensile strength of CF/PI and O3-treated CF/PI composites. CF, carbon fiber; PI, polyimide. The error bars represent 5% standard deviation

Fig. 7

The effect of CF mass fraction on the impact strength of CF/PI and O3-treated CF/PI composites. CF, carbon fiber; PI, polyimide. The error bars represent 5% standard deviation

Fig. 8

The SEM image of the CF/PI composite when the CF mass fraction is 15%. CF, carbon fiber; PI, polyimide; SEM, scanning electron microscopy

Fig. 9

The effect of MXene content on the surface resistivity of CF/MXene/PI composites. CF, carbon fiber; PI, polyimide. The error bars represent 5% standard deviation

Fig. 10

The effect of MXene mass fraction on the thermal conductivity of CF/MXene/PI composites. CF, carbon fiber; PI, polyimide. The error bars represent 5% standard deviation

Fig. 11

The effect of MXene mass fraction on the tensile strength and impact strength of CF/MXene/PI composites. CF, carbon fiber; PI, polyimide. The error bars represent 5% standard deviation

Fig. 12

The effect of heat treatment on the tensile strength and impact strength of CF/MXene/PI composites. CF, carbon fiber; PI, polyimide. The error bars represent 5% standard deviation

Main properties of PI (GCTPTM)

Density (kg/m3)1,350
Impact strength (kJ/m2)25
Tensile Strength (MPa)95
Thermal expansion coefficient (°C−1)4.8 × 10−5
Elongation at break (%)7
Tg (°C)260
Flexural strength (MPa)150
Thermal decomposition temperature (°C)240

Surface roughness results by AFM

TypeSurface roughness (nm)
CF30.7
O3-treated CF42.9
DOI: https://doi.org/10.2478/msp-2021-0043 | Journal eISSN: 2083-134X | Journal ISSN: 2083-1331
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Language: English
Page range: 507 - 516
Submitted on: Jul 26, 2021
|
Accepted on: Feb 2, 2022
|
Published on: Apr 4, 2022
Published by: Wroclaw University of Science and Technology
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year
Keywords:
carbon fiber,
MXene,
SEM,
PI,
mechanical properties
Related subjects:
Materials sciences,
Materials sciences, other,
Nanomaterials,
Functional and smart materials,
Materials characterization and properties

© 2022 Li Jian, published by Wroclaw University of Science and Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

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