Combining Pultrusion with Carbonization: Process Analysis and Material Properties of CFRP and C/C

Composites made of carbon-fiber-reinforced carbon (C/C or CFC) are high-performance materials with a wide range of properties, making them especially suitable for the design of thermally and mechanically highly stressed components. As the production process of these high-performance materials is cur...

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Bibliographic Details
Published in:Ceramics 2023-02, Vol.6 (1), p.330-341
Main Authors: Stiller, Jonas H. M., Roder, Kristina, Löpitz, David, Knobloch, Marcus, Nestler, Daisy, Drossel, Welf-Guntram, Kroll, Lothar
Format: Article
Language:English
Subjects:
Automation
C/C
Carbon
carbon fiber
Carbon fiber reinforced plastics
carbon matrix
Carbonization
CFRP
Cost control
Curing
Dimensional stability
Elongation
Fiber volume fraction
Flexural strength
Heat resistance
Injection molding
Manufacturing
Material properties
Mechanical properties
Modulus of rupture in bending
phenolic resin
Phenolic resins
Polymers
pultrusion
Resins
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Summary:Composites made of carbon-fiber-reinforced carbon (C/C or CFC) are high-performance materials with a wide range of properties, making them especially suitable for the design of thermally and mechanically highly stressed components. As the production process of these high-performance materials is currently still very expensive, new concepts for an economical manufacturing process are required. This paper focusses on an innovative approach that uses the polymer-based pultrusion process for shaping with a subsequent carbonization step to C/C. In this process, carbon fibers (CF) and a phenolic resin were used to manufacture a semi-finished product made of unidirectional (UD) carbon-fiber-reinforced plastic (CFRP) with a fiber volume content of 66%. The C/C composite shows dimensional stability and has a flexural strength of approx. 240 MPa and a flexural modulus of approx. of 135 GPa with an elongation of 1.8%.
ISSN:2571-6131
2571-6131
DOI:10.3390/ceramics6010020