Analysis of the Structure and Properties of Hybrid Carbon Fiber Reinforced Polymer / Single Wall Carbon Nanotube Composites by Thermogravimetry and Scanning Electron Microscopy

The thermogravimetric analysis (TGA) of hybrid carbon fiber reinforced polymers / single wall carbon nanotube (CFRP/SWCNT) composites has been performed. Five compositions with different SWCNT contents have been prepared and tested. During the test, the curves of the weight loss depending on the tem...

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Bibliographic Details
Published in:Russian physics journal 2023-04, Vol.65 (12), p.2204-2209
Main Authors: Burkov, M. V., Eremin, A. V.
Format: Article
Language:English
Subjects:
Analysis
Carbon fiber reinforced plastics
Carbon fiber reinforcement
Composite materials
Composition
Condensed Matter Physics
Electron microscopes
Electron microscopy
Epoxy resins
Fiber reinforced polymers
Hadrons
Heavy Ions
High temperature
Interlayers
Lasers
Mathematical and Computational Physics
Metal particles
Nanotubes
Nuclear Physics
Optical Devices
Optics
Photonics
Physics
Physics and Astronomy
Scanning electron microscopy
Single wall carbon nanotubes
Theoretical
Thermal decomposition
Thermogravimetric analysis
Thermogravimetry
Weight loss
Weight reduction
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Summary:The thermogravimetric analysis (TGA) of hybrid carbon fiber reinforced polymers / single wall carbon nanotube (CFRP/SWCNT) composites has been performed. Five compositions with different SWCNT contents have been prepared and tested. During the test, the curves of the weight loss depending on the temperature have been registered. These dependences reflect the behavior of the composites during heating up to 600°C. The weight reduction is associated with the thermal decomposition of epoxy binder, and the final weight of CFRPs after testing differs for various compositions. It is shown that the addition of SWCNTs alters the thermal decomposition process: it starts earlier, but proceeds with slightly lower rates. It is suggested that residual metal particles in the supplied SWCNTs can act as catalysts. Investigations by the scanning electron microscopy (SEM) showed that the SWCNTs are not affected by high temperatures during TGA and agglomerate in veil-like structures located in interlayers. The thickness and the area covered with these veils directly depends on the amount of SWCNTs in the initial hybrid CFRP composition.
ISSN:1064-8887
1573-9228
DOI:10.1007/s11182-023-02891-7